tweezer vs roach clip

tweezer and roach clip both are nouns.

Word	Noun	Adjective	Verb	Adverb
tweezer	Yes	No	No	No
roach clip	Yes	No	No	No

As nouns, roach clip is a hyponym of tweezer; that is, roach clip is a word with a more specific, narrower meaning than tweezer:

tweezer: a hand tool for holding consisting of a compound lever for grasping
roach clip: metal tweezers used by marijuana smokers to hold a roach

Other hyponyms of tweezer include roach holder.

tweezer (noun)	roach clip (noun)
a hand tool for holding consisting of a compound lever for grasping	metal tweezers used by marijuana smokers to hold a roach