pipe clamp vs pipe vise

pipe clamp and pipe vise both are nouns.

Word	Noun	Adjective	Verb	Adverb
pipe clamp	Yes	No	No	No
pipe vise	Yes	No	No	No

As nouns, pipe clamp and pipe vise are synonyms defined as:

pipe clamp and pipe vise: a clamp for holding pipe that is to be cut or threaded

pipe clamp (noun)	pipe vise (noun)
a clamp for holding pipe that is to be cut or threaded	a clamp for holding pipe that is to be cut or threaded