tweezer vs pincer

tweezer and pincer both are nouns.

Word	Noun	Adjective	Verb	Adverb
tweezer	Yes	No	No	No
pincer	Yes	No	No	No

As nouns, tweezer and pincer are synonyms defined as:

tweezer and pincer: a hand tool for holding consisting of a compound lever for grasping

Other synonyms of tweezer include pair of pincers, pair of tweezers.

tweezer (noun)	pincer (noun)
a hand tool for holding consisting of a compound lever for grasping	a grasping structure on the limb of a crustacean or other arthropods
	a hand tool for holding consisting of a compound lever for grasping