discoverer vs finder

discoverer and finder both are nouns.

Word	Noun	Adjective	Verb	Adverb
discoverer	Yes	No	No	No
finder	Yes	No	No	No

As nouns, discoverer and finder are synonyms defined as:

Other synonyms of discoverer include spotter.

discoverer (noun)	finder (noun)
someone who is the first to observe something	optical device that helps a user to find the target of interest
someone who is the first to think of or make something	someone who is the first to observe something
	someone who comes upon something after searching