pair of tweezers vs pair of pincers

pair of tweezers and pair of pincers both are nouns.

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

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

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

Other synonyms of pair of tweezers include pincer, tweezer.

pair of tweezers (noun)	pair of pincers (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