reproduction vs replica

reproduction and replica both are nouns.

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

As nouns, reproduction and replica are synonyms defined as:

reproduction and replica: copy that is not the original; something that has been copied

Other synonyms of reproduction include replication.

reproduction (noun)	replica (noun)
the sexual activity of conceiving and bearing offspring	copy that is not the original; something that has been copied
the act of making copies
copy that is not the original; something that has been copied
recall that is hypothesized to work by storing the original stimulus input and reproducing it during recall
the process of generating offspring