咔 ⇒
咔 kǎ, (used as phonetic "ka")
咔嚓 kāchā, (onom.) breaking or snapping/(coll.) cut it out/stop it/also written 喀嚓[kā chā]
嗒 ⇒
嗒 tà, to despair
嘀嗒 dīdā, (onom.) tick tock
吧嗒 bāda, (onom.) patter, splatter, click/to smack one's lips/to pull (on a pipe)
叭嗒