Select languages to compare:

Main sound category: Diphthongs
Source vowel: u : close back rounded vowel
Target vowel: ä : open central unrounded vowel
IPA symbol:
IPA description: close back rounded to low central unrounded diphthong
UPSID symbol: ua
UPSID description: high back rounded to low central unrounded diphthong
Occurs in 5 languages
That is in 1.02% of all languages
Occurs in: Khmu? Mandarin Parauk Spanish (Castilian) Yay