rhywun

Welsh

Lua error in Module:parameters at line 290: Parameter 1 should be a valid language or etymology language code; the value "cy-N" is not valid. See WT:LOL and WT:LOL/E. IPA^(key): /ˈr̥ɪu̯ɨ̞n/, /ˈr̥ɨu̯ɨ̞n/
Lua error in Module:parameters at line 290: Parameter 1 should be a valid language or etymology language code; the value "cy-S" is not valid. See WT:LOL and WT:LOL/E. Lua error in Module:parameters at line 290: Parameter 1 should be a valid language or etymology language code; the value "standard" is not valid. See WT:LOL and WT:LOL/E. Lua error in Module:parameters at line 290: Parameter 1 should be a valid language or etymology language code; the value "colloquial" is not valid. See WT:LOL and WT:LOL/E. IPA^(key): /ˈr̥ɪu̯ɪn/
- Lua error in Module:parameters at line 290: Parameter 1 should be a valid language or etymology language code; the value "cy-S" is not valid. See WT:LOL and WT:LOL/E. Lua error in Module:parameters at line 290: Parameter 1 should be a valid language or etymology language code; the value "colloquial" is not valid. See WT:LOL and WT:LOL/E. IPA^(key): /ˈrɪu̯ɪn/

Despite being written with a "y", the vowel here is generally pronounced /ɪ/ in the north as tends to be the case when "y" precedes "w".

rhyw +‎ un

rhywun m (uncountable)

Welsh mutation
radical	soft	nasal	aspirate
rhywun	rywun	unchanged	unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.