Riku

See also: riku and rīku

Finnish

Etymology

A diminutive of Rikhard (corresponding to English Rick). In Eastern Finland also derived from Григо́рий (Grigórij), the Russian cognate of English Gregory.

Pronunciation

• IPA^(key): /ˈriku/, [ˈriku]
• Rhymes: -iku
• Syllabification^(key): Ri‧ku
• Hyphenation^(key): Ri‧ku

Proper noun

Riku

1. a male given name

Declension

Inflection of Riku (Kotus type 1/valo, no gradation)
nominative		Riku	Rikut
genitive		Rikun	Rikujen
partitive		Rikua	Rikuja
illative		Rikuun	Rikuihin
		singular	plural
nominative		Riku	Rikut
accusative	nom.	Riku	Rikut
	gen.	Rikun
genitive		Rikun	Rikujen
partitive		Rikua	Rikuja
inessive		Rikussa	Rikuissa
elative		Rikusta	Rikuista
illative		Rikuun	Rikuihin
adessive		Rikulla	Rikuilla
ablative		Rikulta	Rikuilta
allative		Rikulle	Rikuille
essive		Rikuna	Rikuina
translative		Rikuksi	Rikuiksi
abessive		Rikutta	Rikuitta
instructive		—	Rikuin
comitative		See the possessive forms below.

Possessive forms of Riku (Kotus type 1/valo, no gradation)

first-person singular possessor singular plural nominative Rikuni Rikuni accusative nom. Rikuni Rikuni gen. Rikuni genitive Rikuni Rikujeni partitive Rikuani Rikujani inessive Rikussani Rikuissani elative Rikustani Rikuistani illative Rikuuni Rikuihini adessive Rikullani Rikuillani ablative Rikultani Rikuiltani allative Rikulleni Rikuilleni essive Rikunani Rikuinani translative Rikukseni Rikuikseni abessive Rikuttani Rikuittani instructive — — comitative — Rikuineni second-person singular possessor singular plural nominative Rikusi Rikusi accusative nom. Rikusi Rikusi gen. Rikusi genitive Rikusi Rikujesi partitive Rikuasi Rikujasi inessive Rikussasi Rikuissasi elative Rikustasi Rikuistasi illative Rikuusi Rikuihisi adessive Rikullasi Rikuillasi ablative Rikultasi Rikuiltasi allative Rikullesi Rikuillesi essive Rikunasi Rikuinasi translative Rikuksesi Rikuiksesi abessive Rikuttasi Rikuittasi instructive — — comitative — Rikuinesi first-person plural possessor singular plural nominative Rikumme Rikumme accusative nom. Rikumme Rikumme gen. Rikumme genitive Rikumme Rikujemme partitive Rikuamme Rikujamme inessive Rikussamme Rikuissamme elative Rikustamme Rikuistamme illative Rikuumme Rikuihimme adessive Rikullamme Rikuillamme ablative Rikultamme Rikuiltamme allative Rikullemme Rikuillemme essive Rikunamme Rikuinamme translative Rikuksemme Rikuiksemme abessive Rikuttamme Rikuittamme instructive — — comitative — Rikuinemme second-person plural possessor singular plural nominative Rikunne Rikunne accusative nom. Rikunne Rikunne gen. Rikunne genitive Rikunne Rikujenne partitive Rikuanne Rikujanne inessive Rikussanne Rikuissanne elative Rikustanne Rikuistanne illative Rikuunne Rikuihinne adessive Rikullanne Rikuillanne ablative Rikultanne Rikuiltanne allative Rikullenne Rikuillenne essive Rikunanne Rikuinanne translative Rikuksenne Rikuiksenne abessive Rikuttanne Rikuittanne instructive — — comitative — Rikuinenne third-person possessor singular plural nominative Rikunsa Rikunsa accusative nom. Rikunsa Rikunsa gen. Rikunsa genitive Rikunsa Rikujensa partitive Rikuaan Rikuansa Rikujaan Rikujansa inessive Rikussaan Rikussansa Rikuissaan Rikuissansa elative Rikustaan Rikustansa Rikuistaan Rikuistansa illative Rikuunsa Rikuihinsa adessive Rikullaan Rikullansa Rikuillaan Rikuillansa ablative Rikultaan Rikultansa Rikuiltaan Rikuiltansa allative Rikulleen Rikullensa Rikuilleen Rikuillensa essive Rikunaan Rikunansa Rikuinaan Rikuinansa translative Rikukseen Rikuksensa Rikuikseen Rikuiksensa abessive Rikuttaan Rikuttansa Rikuittaan Rikuittansa instructive — — comitative — Rikuineen Rikuinensa

Statistics

• Riku is the 90^th most common male given name in Finland, belonging to 7,881 male individuals (and as a middle name to 679 more), and also belongs to 5 female individuals, according to August 2025 data from the Digital and Population Data Services Agency of Finland.

Anagrams

• kiru, kuri, urki

Japanese

Romanization

Riku

1. Rōmaji transcription of りく