shears vs snips

shears and snips both are nouns.

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

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

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

shears (noun)	snips (noun)
large scissors with strong blades	(plural) hand shears for cutting sheet metal