discoverer vs percipient

discoverer and percipient both are nouns.

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

As nouns, percipient is a hypernym of discoverer; that is, percipient is a word with a broader meaning than discoverer:

discoverer: someone who is the first to observe something
percipient: a person who becomes aware (of things or events) through the senses

Other hypernyms of discoverer include beholder, observer, perceiver.

discoverer (noun)	percipient (noun)
someone who is the first to observe something	a person who becomes aware (of things or events) through the senses
someone who is the first to think of or make something

discoverer (adjective)	percipient (adjective)
	characterized by ease and quickness in perceiving