pair of pincers vs pair of tweezers

pair of pincers and pair of tweezers both are nouns.

Word	Noun	Adjective	Verb	Adverb
pair of pincers	Yes	No	No	No
pair of tweezers	Yes	No	No	No

As nouns, pair of pincers and pair of tweezers are synonyms defined as:

pair of pincers and pair of tweezers: a hand tool for holding consisting of a compound lever for grasping

Other synonyms of pair of pincers include pincer, tweezer.

pair of pincers (noun)	pair of tweezers (noun)
a hand tool for holding consisting of a compound lever for grasping	a hand tool for holding consisting of a compound lever for grasping