During late antiquity, the Greek phoneme represented by the letter mutated from an aspirated stop to a fricative.
12.
Armenian and Cantonese have aspiration that lasts about as long as English aspirated stops, in addition to unaspirated stops.
13.
Ancient grammarians and transcriptions suggest that voiced and aspirated stop consonants were retained until the beginning of the Roman period.
14.
A clear vowel followed by a voiced aspirated stop can vary with a pair gaining murmur and losing aspiration :.
15.
Aspirated stops, such as [ p? ] and [ k? ], undergo deaspiration when in word-final position.
16.
Unlike the Mississippi Valley Siouan languages, Hidatsa does not have the glottalized or the aspirated stops of Proto-Siouan.
17.
Suzhou dialect has a set of voiced initials and exhibits unvoiced unaspirated and aspirated stops, there are unvoiced and voiced fricatives sets.
18.
It is always low following voiced stops and affricates, and is always high following all aspirated stops, affricates and voiceless liquids.
19.
aspirated stops are deaspirated when suffixed; this is a regular process in all Tlingit suffixation that is usually but not always represented in writing.
20.
Modern " high "-class consonants were the remaining voiceless consonants in Old Thai ( voiceless fricatives, voiceless sonorants, voiceless aspirated stops ).
