prune vs pruner

prune and pruner both are nouns.

Word	Noun	Adjective	Verb	Adverb
prune	Yes	No	Yes	No
pruner	Yes	No	No	No

prune (noun)	pruner (noun)
dried plum	a long-handled pruning saw with a curved blade at the end and sometimes a clipper; used to prune small trees
	a worker who thins out and trims trees and shrubs

prune (verb)	pruner (verb)
weed out unwanted or unnecessary things
cultivate, tend, and cut back the growth of