impinging vs flick

impinging and flick both are nouns.

Word	Noun	Adjective	Verb	Adverb
impinging	Yes	No	No	No
flick	Yes	No	Yes	No

As nouns, flick is a hyponym of impinging; that is, flick is a word with a more specific, narrower meaning than impinging:

Other hyponyms of impinging include collision, hit, engagement, interlocking, mesh, meshing, impact, touch, touching.

impinging (noun)	flick (noun)
the physical coming together of two or more things	a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of continuous movement
	a short stroke
	a light sharp contact (usually with something flexible)

impinging (verb)	flick (verb)
	remove with a flick (of the hand)
	touch or hit with a light, quick blow
	cause to make a snapping sound
	throw or toss with a quick motion
	twitch or flutter
	cause to move with a flick
	flash intermittently
	look through a book or other written material
	shine unsteadily