replicate vs replica

replicate is not a noun while replica is a noun.

Word	Noun	Adjective	Verb	Adverb
replicate	No	No	Yes	No
replica	Yes	No	No	No

replicate (noun)	replica (noun)
	copy that is not the original; something that has been copied

replicate (verb)	replica (verb)
make or do or perform again
reproduce or make an exact copy of
bend or turn backward