ch

See also: Appendix:Variations of "ch"

Languages (27)

Translingual • English

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Blin • Central Mazahua • Chipewyan • Czech • Esperanto • French • Hadza • Hungarian • Irish • Isoko • Khoekhoe • Latvian • Lower Sorbian • Mam • Navajo • Osage • Slovak • Spanish • Tagalog • Tlingit • Uzbek • Vietnamese • Welsh • Xhosa • Yele

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Page categories

Translingual

Etymology 1

From c +‎ h.

Letter

ch (mixed case Ch, upper case CH)

1. A digraph from c and h, considered an individual letter in some languages.

Etymology 2

Initialism of English cosine, hyperbolic.

Symbol

ch

1. Alternative form of cosh (“hyperbolic cosine”)

Etymology 3

Clipping of English and Chamorro Chamorro.

Symbol

ch

1. (international standards) ISO 639-1 language code for Chamorro.

See also

• Wiktionary’s coverage of Chamorro terms

English

Etymology 1

Noun

ch (countable and uncountable, plural chs)

1. Abbreviation of chain (“a unit of measurement equal to 22 yards”).
2. (crochet) Abbreviation of chain (stitch)
3. Abbreviation of channel, in reference to telephones, audio, radio, and television.

   5.1 ch surround sound

4. Abbreviation of chapter (“main section of a book”).
   • 2007, The New Oxford Annotated Bible with the Apocryphal/Deuterocanonical Books, page 143:

     Ch 2 secondarily interrupts the flow between chs 1 and 3 (see 2.1–16n.).

5. Abbreviation of chestnut (“a dark reddish-brown colored horse”).
   • 2014, Kenneth Hinchcliff, Andris Kaneps, Raymond Geor, Equine Sports Medicine and Surgery, page 675:

     NAME OF HORSE (COLOR, SEX, YEAR BORN)
     Secretariat (ch.s. 1970)

Verb

ch

1. (crochet) Abbreviation of chain.
   • 2011 August 23, Carmen Heffernan, “How to make colourful crocheted flowers”, in The Guardian‎^[1]:

     Ch 4, sl st to 1st sl st to close.

Etymology 2

Apheretic form of ich or utch, ultimately from Old English iċ (“I”). Compare Dutch 'k, an apheretic variant of ik (“I”). More at ich, I.

Pronunciation

• IPA^(key): /t͡ʃ/

Pronoun

ch

1. (obsolete, dialectal) Alternative form of I.

Anagrams

• h/c, hc, H/C, H.C., HC, H&C

Blin

Pronunciation

• IPA^(key): /tʃʼ/

Letter

ch (lower case, upper case Ch, all caps CH)

1. A letter of the Blin alphabet, written in the Latin script.

Central Mazahua

Pronunciation

• IPA^(key): /tʃ/

Letter

ch (lower case, upper case Ch, all caps CH)

1. A letter of the Central Mazahua alphabet, written in the Latin script.

See also

• (Latin-script letters) A a, Ⱥ ⱥ, A̱ a̱, B b, C c, Cꞌ cꞌ, Cj cj, Cu cu, Cꞌu cꞌu, Cju cju, Ch ch, Chꞌ chꞌ, Chj chj, D d, Dy dy, E e, Ɇ ɇ, E̱ e̱, G g, Gu gu, Hu hu, ꞌHu ꞌhu, I i, I̱ i̱, J j, Jꞌ jꞌ, Jm jm, Jn jn, Jñ jñ, Ju ju, Jy jy, L l, M m, Mꞌ mꞌ, N n, Nꞌ nꞌ, Ñ ñ, Ñꞌ ñꞌ, O o, Ø ø, O̱ o̱, P p, Pj pj, R r, S s, T t, Tꞌ tꞌ, Tj tj, Ts ts, Tsꞌ tsꞌ, Tsj tsj, U u, Ꞹ ꞹ, U̱ u̱, X x, Z z, Zh zh, ꞌ

Chipewyan

Pronunciation

• IPA^(key): /t͜ʃʰ/

Letter

ch (lower case, upper case Ch, all caps CH)

1. A letter of the Chipewyan alphabet, written in the Latin script.

Czech

Letter

ch (lower case, upper case Ch, all caps CH)

1. The fourteenth letter of the Czech alphabet, written in the Latin script; preceded by h and followed by i.

Usage notes

In names or at the beginning of a sentence the form Ch is used (e. g. Chrudim).

Esperanto

Letter

ch (lower case, upper case Ch, all caps CH)

1. A letter of the Esperanto alphabet, written in the Latin script, a digraph used in the h-sistemo to represent ĉ.

See also

• gh, hh, jh, sh
• cx, gx, hx, jx, sx, ux

French

Alternative forms

• ch.

Adjective

ch (invariable)

1. abbreviation of chaque (“each, ea”).

Noun

ch m (invariable)

1. abbreviation of cheval-vapeur (“horsepower, hp”).

Usage notes

Used for all types of (metric) horsepower except tax horsepower, which uses the initialisms cv or CV.

Hadza

Pronunciation

• IPA^(key): /ᵏǀʰ/

Letter

ch (lower case, upper case Ch, all caps CH)

1. A letter of the Hadza alphabet, written in the Latin script.

Hungarian

Pronunciation

• (on its own) IPA^(key): [ˈt͡seːɦaː]
• (within words) IPA^(key): /xː/, /t͡ʃ/, /ç/, /çː/, /h/, /k/, /ʃ/ (depending on the word)

Letter

ch (lower case, upper case Ch, all caps CH)

1. A digraph of the Hungarian alphabet, written in the Latin script; used in several Hungarian words, as well as in some surnames, given names, and geographical names.

Usage notes

It is used (among others) in the following words, along with their derivations and compounds: Achilles-ín, allochton, acháj, achát, akrosztichon, almanach, anarchia/​​anarchikus/​anarchista/​anarchizmus, archaikus/​archaizál/​archaizmus, archeológia/​archeológus, archimandrita, architektúra, archivál/​archivális/​archívum, autochton, bacchanália, bacchánsnő, baldachin, barchesz, barkochba/​barkochbázik, bronchitisz, cech, chanti, charleston, charta, charter, chartizmus, chata, chianti, chorijambus, chripka, couchette, disztichon, durchmars, echó, echt, eucharisztia/​eucharisztikus, eunuch, exarcha, fach, franchise, gaucho, gouache, guttapercha, hierarchia/​​hierarchikus, hipochonder/​hipochondria, ichtioszaurusz, jacht, kapitälchen, krach, lichthóf, macher, machiavellizmus, machináció/machinál, malachit, mannlicher, matriarchátus, mazochista/​mazochizmus, mechanika/​​mechanikus/​​mechanisztikus/​mechanizál/​mechanizmus, mettlachi, moloch, monarchia/​monarchikus/​monarchista, oligarcha/​oligarchia/​oligarchikus, orchidea, patriarcha/​patriarchális/​patriarchátus, pech/​peches, poncho, poncichter, psziché/​pszichiáter/​pszichiátria/​pszichikai/​pszichikum/​pszicho-/​​pszichózis, richtig, rizskoch, sarlach, stich, strichel, szacharin, szinekdoché, sztrichnin, technika/​technikum/​technikus/​technokrácia/​technokrata/​​technológia/​technológus, trachoma, trocheus, vlach, winchester.

Officially recognized given names: Achilles, Achillesz, Áchim, Archibald, Joachim, Melchior, Orchidea, Psziché, Ráchel, Richárd.

Surnames (a selection from notable people): Aulich, Damjanich, Forgách, Keglevich, Knézich, Kovách, Laczkovich, Madách, Maderspach, Orlay Petrich, Széchenyi, Széchényi, Zách, Zichy.

Geographical names (along with their derivations, e.g. chilei): Charlestown, Chatham-szigetek, Chile, Chișinău, Déli-Georgia és Déli-Sandwich-szigetek, Liechtenstein, Nouakchott, Seychelle-szigetek as well as two settlements in Hungary, Chernelházadamonya and Zichyújfalu, a hill in Budapest, Széchenyi-hegy (named after István Széchenyi) and a neighborhood in Budapest, Széchenyihegy (named after the hill).

Declension

Inflection (stem in long/high vowel, back harmony)

	singular	plural
nominative	ch	ch-k
accusative	ch-t	ch-kat
dative	ch-nak	ch-knak
instrumental	ch-val	ch-kkal
causal-final	ch-ért	ch-kért
translative	ch-vá	ch-kká
terminative	ch-ig	ch-kig
essive-formal	ch-ként	ch-kként
essive-modal	—	—
inessive	ch-ban	ch-kban
superessive	ch-n	ch-kon
adessive	ch-nál	ch-knál
illative	ch-ba	ch-kba
sublative	ch-ra	ch-kra
allative	ch-hoz	ch-khoz
elative	ch-ból	ch-kból
delative	ch-ról	ch-król
ablative	ch-tól	ch-któl
non-attributive possessive – singular	ch-é	ch-ké
non-attributive possessive – plural	ch-éi	ch-kéi

Possessive forms of ch

possessor	single possession	multiple possessions
1st person sing.	ch-m	ch-im
2nd person sing.	ch-d	ch-id
3rd person sing.	ch-ja	ch-i
1st person plural	ch-nk	ch-ink
2nd person plural	ch-tok	ch-itok
3rd person plural	ch-juk	ch-ik

See also

• (Latin-script letters) betű; A a, Á á, B b, C c, Cs cs, D d, Dz dz, Dzs dzs, E e, É é, F f, G g, Gy gy, H h, I i, Í í, J j, K k, L l, Ly ly, M m, N n, Ny ny, O o, Ó ó, Ö ö, Ő ő, P p, R r, S s, Sz sz, T t, Ty ty, U u, Ú ú, Ü ü, Ű ű, V v, Z z, Zs zs. Only in the extended alphabet: Q q W w X x Y y. Commonly used: ch. Also defined: à ë. In surnames (selection): ä aa cz ds eé eö ew oe oó th ts ÿ.

Irish

Pronunciation

• IPA^(key): /x/, /ç/

Letter

ch (lower case, upper case Ch, all caps CH)

1. A digraph of the Irish alphabet, written in the Latin script.

Isoko

Letter

ch (lower case, upper case Ch, all caps CH)

1. The third letter of the Isoko alphabet, written in the Latin script.

References

• E. O. Agbada et al, Vbuhrẹ Ụmụ́bọrá Isoko (Teach Yourself Isoko), first published 2008, revised edition 2017, pages 9, 10
• Onyerioma Isaac Itegolor, Isoko Wha Dooo...! Book 2 (Operation Speak Your Language), Revised Standard Edition (2015), page 1

Khoekhoe

Letter

ch (lower case, upper case Ch, all caps CH, modern equivalent ǀh)

1. (obsolete, Tindall orthography) A letter of the Khoekhoe alphabet, written in the Latin script.

Latvian

Letter

ch (lower case, upper case Ch, all caps CH)

1. (historical) A letter of the Latvian alphabet, written in the Latin script; used in older, pre-World-War-II Latvian spelling, but now replaced everywhere by h (upper case H).

Usage notes

This letter can still be found in older books, or in books written by the Latvian diaspora prior to the fall of the Soviet Union. It used to represent the sound of IPA symbol /x/, as distinct from /h/; but since these sounds have merged as /x/ in current Latvian pronunciation, <h> (= /x/) is now used in all cases.

Lower Sorbian

Pronunciation

• IPA^(key): /x/

Letter

ch (lower case, upper case Ch, all caps CH)

1. The twelfth letter of the Lower Sorbian alphabet, called cha and written in the Latin script; preceded by h and followed by i.

See also

• (Latin-script letters) pismik; A a, B b, C c, Č č, Ć ć, D d, E e, Ě ě, F f, G g, H h, Ch ch, I i, J j, K k, Ł ł, L l, M m, N n, Ń ń, O o (Ó ó), P p, R r, Ŕ ŕ, S s, Š š, Ś ś, T t, U u, W w, Y y, Z z, Ž ž, Ź ź
• (obsolete letters) B́ b́, Ė ė, Ḿ ḿ, Ṕ ṕ, ſ, ß, Ꞩ ẜ, Ẃ ẃ

Mam

Pronunciation

• IPA^(key): /tʃʰ/

Letter

ch (lower case, upper case Ch, all caps CH)

1. A letter of the Mam alphabet, written in the Latin script.

Navajo

Letter

ch (lower case, upper case Ch, all caps CH)

1. A letter of the Navajo alphabet, written in the Latin script.

See also

• (Latin-script letters) A a (Á á, Ą ą, Ą́ ą́), B b, Ch ch, Chʼ chʼ, D d, Dl dl, Dz dz, E e (É é, Ę ę, Ę́ ę́), G g, Gh gh, H h, Hw hw, X x, I i (Í í, Į į, Į́ į́), J j, K k, Kʼ kʼ, Kw kw, ʼ, L l, Ł ł, M m, N n (Ń ń), O o (Ó ó, Ǫ ǫ, Ǫ́ ǫ́), S s, Sh sh, T t, Tʼ tʼ, Tł tł, Tłʼ tłʼ, Ts ts, Tsʼ tsʼ, W w, Y y, Z z, Zh zh

Osage

Pronunciation

• IPA^(key): [t͜sʰ]

Letter

ch (lower case, upper case Ch, all caps CH, Osage equivalent 𐓴)

1. A letter of the Osage alphabet, written in the Latin script.

Slovak

Pronunciation

• (phoneme) IPA^(key): /x/

Letter

ch (lower case, upper case Ch, all caps CH)

1. The sixteenth letter of the Slovak alphabet, written in the Latin script.

See also

• (Latin-script letters) písmeno; A a, Á á, Ä ä, B b, C c, Č č, D d, Ď ď, Dz dz, Dž dž, E e, É é, F f, G g, H h, Ch ch, I i, Í í, J j, K k, L l, Ĺ ĺ, Ľ ľ, M m, N n, Ň ň, O o, Ó ó, Ô ô, P p, Q q, R r, Ŕ ŕ, S s, Š š, T t, Ť ť, U u, Ú ú, V v, W w, X x, Y y, Ý ý, Z z, Ž ž

Further reading

• “ch”, in Slovníkový portál Jazykovedného ústavu Ľ. Štúra SAV [Dictionary portal of the Ľ. Štúr Institute of Linguistics, Slovak Academy of Science] (in Slovak), https://slovnik.juls.savba.sk, 2003–2026

Spanish

Letter

ch (lower case, upper case Ch, all caps CH)

1. (historical) The fourth letter of the Spanish alphabet, called che and written in the Latin script; preceded by c and followed by d.

Usage notes

• Since 1994, this letter has been treated as c followed by h for collation (sorting) purposes only. In 2010, this letter was officially removed by the RAE from the Spanish alphabet.

Further reading

• “ch”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025

Tagalog

Etymology

Borrowed from Spanish ch.

Pronunciation

• (Standard Tagalog)
  • IPA^(key): /ˈt͡ʃe/ [ˈt͡ʃɛ] (letter name, chiefly upper class)
    • Rhymes: -e
  • IPA^(key): /ˈt͡se/ [ˈt͡sɛ] (letter name)
    • Rhymes: -e
  • IPA^(key): /ˈse/ [ˈsɛ] (letter name)
    • Rhymes: -e
  • IPA^(key): /t͡ʃ/ [t͡ʃ] (phoneme, chiefly upper class)
  • IPA^(key): /ts/ [t̪s] (phoneme)
  • IPA^(key): /s/ [s] (phoneme)

Letter

ch (lower case, upper case Ch, all caps CH) (historical)

1. the fourth letter of the Abecedario, called che and written in the Latin script

Tlingit

Pronunciation

• IPA^(key): /tʃʰ/

Letter

ch (lower case, upper case Ch, all caps CH)

1. A letter of the Tlingit alphabet, written in the Latin script.

See also

• Canada:
• (Latin-script letters) A a, Á á, À à,  â, Ch ch, Chʼ chʼ, D d, Dł dł, Dz dz, E e, É é, È è, Ê ê, G g, Gw gw, Gh gh, Ghw ghw, H h, I i, Í í, Ì ì, Πî, J j, K k, Kw kw, Kʼ kʼ, Kʼw kʼw, Kh kh, Khw khw, Khʼ khʼ, Khʼw khʼw (L l), Ł ł, Łʼ łʼ (M m), N n (O o), S s, Sʼ sʼ, Sh sh, T t, Tʼ tʼ, Tl tl, Tlʼ tlʼ, Ts ts, Tsʼ tsʼ, U u, Ú ú, Ù ù, Û û, W w, X x, Xw xw, Xʼ xʼ, Xʼw xʼw, Xh xh, Xhw xhw, Xhʼ xhʼ, Xhʼw xhʼw, Y y (Ÿ ÿ), ․
• US:
• (Latin-script letters) A a, Á á, Aa aa, Áa áa, Ch ch, Chʼ chʼ, D d, Dl dl, Dz dz, E e, É é, Ee ee, Ée ée, Ei ei, Éi éi, G g, Gw gw, G̱ g̱, G̱w g̱w, H h, I i, Í í, J j, K k, Kw kw, Kʼ kʼ, Kʼw kʼw, Ḵ ḵ, Ḵw ḵw, Ḵʼ ḵʼ, Ḵʼw ḵʼw, L l, Lʼ lʼ (Ḻ ḻ, M m), N n (O o), Oo oo, Óo óo, S s, Sʼ sʼ, Sh sh, T t, Tʼ tʼ, Tl tl, Tlʼ tlʼ, Ts ts, Tsʼ tsʼ, U u, Ú ú, W w, X x, Xw xw, Xʼ xʼ, Xʼw xʼw, X̱ x̱, X̱w x̱w, X̱ʼ x̱ʼ, X̱ʼw x̱ʼw, Y y (Ÿ ÿ, Y̱ y̱), ․

Uzbek

Pronunciation

• (phoneme) IPA^(key): /tʃ/

Letter

ch (lower case, upper case Ch, all caps CH)

1. The twenty-eighth letter of the Uzbek alphabet, written in the Latin script.

See also

• (Latin-script letters) harf; A a, B b, D d, E e, F f, G g, H h, I i, J j, K k, L l, M m, N n, O o, P p, Q q, R r, S s, T t, U u, V v, X x, Y y, Z z, Oʻ oʻ, Gʻ gʻ, Sh sh, Ch ch, Ng ng

Vietnamese

Pronunciation

• (Hà Nội) IPA^(key): [se˧˧ haːt̚˧˦], [t͡ɕəː˨˩], [t͡ɕəː˨˩ ɲɛ˧˨ʔ]
• (Huế) IPA^(key): [sej˧˧ haːk̚˦˧˥], [t͡ɕəː˦˩], [t͡ɕəː˦˩ ɲɛ˨˩ʔ]
• (Saigon) IPA^(key): [sej˧˧ haːk̚˦˥], [cəː˨˩], [cəː˨˩ ɲɛ˨˩˨]
• Phonetic spelling: xê hát, chờ, chờ nhẹ

Letter

ch (lower case, upper case Ch, all caps CH)

1. (historical) The sixth letter of the Vietnamese alphabet, called xê hát, chờ or chờ nhẹ and written in the Latin script.

See also

• (Quốc ngữ letters) chữ cái; A a (À à, Ả ả, àã, Á á, Ạ ạ), Ă ă (Ằ ằ, Ẳ ẳ, Ẵ ẵ, Ắ ắ, Ặ ặ),  â (Ầ ầ, Ẩ ẩ, Ẫ ẫ, Ấ ấ, Ậ ậ), B b, C c (Ch ch), D d, Đ đ, E e (È è, Ẻ ẻ, Ẽ ẽ, É é, Ẹ ẹ), Ê ê (Ề ề, Ể ể, Ễ ễ, Ế ế, Ệ ệ), G g (Gh gh, Gi gi), H h, I i (Ì ì, Ỉ ỉ, Ĩ ĩ, Í í, Ị ị), K k (Kh kh), L l, M m, N n (Ng ng, Ngh ngh, Nh nh), O o (Ò ò, Ỏ ỏ, Õ õ, Ó ó, Ọ ọ), Ô ô (Ồ ồ, Ổ ổ, Ỗ ỗ, Ố ố, Ộ ộ), Ơ ơ (Ờ ờ, Ở ở, Ỡ ỡ, Ớ ớ, Ợ ợ), P p (Ph ph), Q q (Qu qu), R r, S s, T t (Th th, Tr tr), U u (Ù ù, Ủ ủ, Ũ ũ, Ú ú, Ụ ụ), Ư ư (Ừ ừ, Ử ử, Ữ ữ, Ứ ứ, Ự ự), V v, X x, Y y (Ỳ ỳ, Ỷ ỷ, Ỹ ỹ, Ý ý, Ỵ ỵ)

Welsh

Pronunciation

• (standard) IPA^(key): /ɛχ/
  • (informal) IPA^(key): /χ(ː)/

Letter

ch (lower case, upper case Ch, all caps CH)

1. The fourth letter of the Welsh alphabet, called èch and written in the Latin script; preceded by c and followed by d.

Usage notes

Like the other Welsh digraphs, ch is considered a distinct letter of the Welsh alphabet for all purposes, including collation. Thus, chwech is alphabetically sorted after cyllell.

See also

• (Latin-script letters) llythyren; A a (Á á, À à,  â, Ä ä), B b, C c, Ch ch, D d, Dd dd, E e (É é, È è, Ê ê, Ë ë), F f, Ff ff, G g, Ng ng, H h, I i (Í í, Ì ì, Πî, Ï ï), J j, L l, Ll ll, M m, N n, O o (Ó ó, Ò ò, Ô ô, Ö ö), P p, Ph ph, R r, Rh rh, S s, T t, Th th, U u (Ú ú, Ù ù, Û û, Ü ü), W w (Ẃ ẃ, Ẁ ẁ, Ŵ ŵ, Ẅ ẅ), Y y (Ý ý, Ỳ ỳ, Ŷ ŷ, Ÿ ÿ)

Mutation

• ch cannot be mutated in Welsh.

Further reading

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “ch”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies

Xhosa

Pronunciation

• IPA^(key): /ᵏǀʰ/

Letter

ch (lower case, upper case Ch, all caps CH)

1. A digraph of the Xhosa alphabet, written in the Latin script.

Yele

Pronunciation

• IPA^(key): /t̪ʲ/ (pronounced [t͡ɕ])

Letter

ch (lower case, upper case Ch, all caps CH)

1. A letter of the Yele alphabet, written in the Latin script.

See also

• (Latin-script letters) A a, â, b, Ch ch, D d, e, é, ê, Gh gh, i, î, j, K k, L l, M m, N n, Ń ń, o, ó, P p, T t, U u, V v, W w, Y y, ꞉