(phonetics) glottal stop

(phonetics) dorsal

(phonetics, prosody) metathesis (the transposition of letters, syllables or sounds within a word)

(linguistics) sound shift / (linguistics) sound shifts from Old Japanese to Modern Japanese, especially those which are preserved in historical kana usage.

Kyūjitai form of 音楽学 (“musicology”)

orthoepy

soundproofing material; sound-absorbing material

car horn

(historical) the capital of 東漢 (Tōkan, “Eastern Han”) or 後漢 (Gokan, “Later Han”), corresponds to modern Luoyang / (historical) the capital of 北宋 (Hokusō, “Northern Song”), corresponds to modern Kaifeng

mold, pattern / type, model, style