喀嚓

喀嚓	kā chā	(onom.) breaking or snapping
喀	kā	(onom.) sound of coughing or vomiting
嚓	cā	(onom.) scraping sound / ripping of fabric / screeching of tires
嚓	chā	(onom.) used in 喀嚓 and 啪嚓 / Taiwan pr. [ca1]