gq: Catalan has inherited the typical vowel system of Vulgar Latin, with seven stressed phonemes: /a ɛ e i ɔ o u/, a common feature in Western Romance, except Spanish. Balearic has also instances of stressed /ə/. Dialects differ in the different degrees of vowel reduction, and the incidence of the pair /ɛ e/.
Question: What is the vowel system of Catalan? Question: How many stressed phonemes are there in Catalan? Question: Where is this system common? Question: What language is the exception? Question: What language form differs in the amount of vowel reduction?