finder vs discoverer

finder and discoverer both are nouns.

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

As nouns, finder and discoverer are synonyms defined as:

Other synonyms of finder include spotter.

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