“…West and South Slavic languages are also specific in terms of rhythmic class, as they are placed on a continuum between stress-timed and syllable-timed languages (Dimitrova, 1998a;Dankovičová and Dellwo, 2007;Marković and Milićev, 2011;Gralińska-Brawata, 2015). The division into stress-and syllable-timed languages is based on a set of parameters in which languages differ and this classification has prompted many discussions (review in Mołczanow and Wiese, 2014), but what unites South and West Slavic speakers is their full pronunciation of vowels in unstressed syllables (e.g., Dimitrova, 1998a;Dankovičová and Dellwo, 2007). Even in Bulgarian, which has vowel reduction and should be able to weaken the prominence of unstressed syllables, changes in vowel quality and duration in unstressed positions take place to a smaller extent compared to stress-timed languages like English (Dimitrova, 1998a) and Bulgarians face issues with English vowel reduction (Stoykova, 2018).…”