In Western Catalan, unstressed vowels reduce to five: /e ɛ/ > [e]; /o ɔ/ > [o]; /a u i/ remain distinct. This reduction pattern, inherited from Proto-Romance, is also found in Italian and Portuguese. Some Western dialects present further reduction or vowel harmony in some cases. COUNT 5
QSN1 What do unstressed vowels reduce to in Western Catalan? ANS1 five QSN2 Which letters remain distinct? ANS2 /a u i/ QSN3 Where did this pattern come from? ANS3 Proto-Romance QSN4 In what other languages is this pattern found? ANS4 Italian and Portuguese QSN5 What do other Western dialects sometimes  offer? ANS5 further reduction