roach holder vs pincer

roach holder and pincer both are nouns.

Word	Noun	Adjective	Verb	Adverb
roach holder	Yes	No	No	No
pincer	Yes	No	No	No

As nouns, pincer is a hypernym of roach holder; that is, pincer is a word with a broader meaning than roach holder:

Other hypernyms of roach holder include pair of pincers, pair of tweezers, tweezer.

roach holder (noun)	pincer (noun)
metal tweezers used by marijuana smokers to hold a roach	a grasping structure on the limb of a crustacean or other arthropods
	a hand tool for holding consisting of a compound lever for grasping