True, but aren't you primarily talking here about vowel length? As a language feature it's more pronounced than accent/stress. /ˈmaʊntɪn/ MOUNtain /mɒn'taɪn/

True, but aren't you primarily talking here about vowel length? As a language feature it's more pronounced than accent/stress. /ˈmaʊntɪn/ MOUNtain /mɒn'taɪn/ mounTAIN (?) https://en.wikipedia.org/wiki/Vowel_length https://en.wikipedia.org/wiki/Vowel_length