ratch vs click

ratch and click both are nouns.

Word	Noun	Adjective	Verb	Adverb
ratch	Yes	No	No	No
click	Yes	No	Yes	No

ratch (noun)	click (noun)
mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction	depression of a button on a computer mouse
	a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward
	a stop consonant made by the suction of air into the mouth (as in Bantu)
	a short light metallic sound

ratch (verb)	click (verb)
	become clear or enter one's consciousness or emotions
	make a clucking sounds, characteristic of hens
	produce a click
	cause to make a snapping sound
	move or strike with a noise
	make a clicking or ticking sound
	click repeatedly or uncontrollably