inventor vs discoverer

inventor and discoverer both are nouns.

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

As nouns, inventor and discoverer are synonyms defined as:

inventor and discoverer: someone who is the first to think of or make something

Other synonyms of inventor include artificer.

inventor (noun)	discoverer (noun)
someone who is the first to think of or make something	someone who is the first to observe something
	someone who is the first to think of or make something