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In theory, yes. Tashlhiyt Berber is said to have a contrast, but that does not mean that there are any minimal pairs. That article points to literature, saying that it is generally agreed that they are different. However, the article slightly undermines the claim by noting that [kw] and [kʷ] differ in terms of syllabification: which (potentially) means that ...


4

Just because a language contrasts two sounds, doesn't mean there should be minimal pairs (cf. English /h/ and /ŋ/). The IPA uses a plain w to symbolise the [w] sound (war) and a superscript ʷ for labialisation (i.e. secondary articulation). There's a constriction at the velum for w, but ʷ doesn't have any constriction at the velum, it's simply the ...


4

Thai can be what you are looking for. It has onset clusters /kw/, /kʰw/. Quite often, they are realized as labialized velar consonants /kʷ/, /kʰʷ/. However¹, final stops like /-k/ are accompanied by a simultaneous glottal stop, thus making syllable boundaries well defined by intersyllabic juncture. This prevents any C-to-C coarticulation and ...


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