shears vs clipper

shears and clipper both are nouns.

Word	Noun	Adjective	Verb	Adverb
shears	Yes	No	No	No
clipper	Yes	No	No	No

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

Other hyponyms of shears include pruning shears, snips, tinsnips, thinning shears.

shears (noun)	clipper (noun)
large scissors with strong blades	scissors for cutting hair or finger nails
	shears for cutting grass or shrubbery
	a fast sailing ship used in former times
	(electronics) a nonlinear electronic circuit whose output is limited in amplitude; used to limit the instantaneous amplitude of a waveform (to clip off the peaks of a waveform)