overpower vs clutch

overpower is not a noun while clutch is a noun.

Word	Noun	Adjective	Verb	Adverb
overpower	No	No	Yes	No
clutch	Yes	No	Yes	No

As verbs, clutch is a hyponym of overpower; that is, clutch is a word with a more specific, narrower meaning than overpower:

Other hyponyms of overpower include devastate, get hold of, seize, kill, benight, knock out, stagger, lock.

overpower (noun)	clutch (noun)
	the act of grasping
	a coupling that connects or disconnects driving and driven parts of a driving mechanism
	a pedal or lever that engages or disengages a rotating shaft and a driving mechanism
	a woman's strapless purse that is carried in the hand
	a collection of things or persons to be handled together
	a number of birds hatched at the same time
	a tense critical situation

overpower (verb)	clutch (verb)
overcome by superior force	affect
overcome, as with emotions or perceptual stimuli	take into your hands deliberately
	hold firmly, usually with one's hands