copying vs reproduction

copying and reproduction both are nouns.

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

As nouns, reproduction is a hyponym of copying; that is, reproduction is a word with a more specific, narrower meaning than copying:

Other hyponyms of copying include duplication, gemination, replication, imitation.

copying (noun)	reproduction (noun)
an act of copying	the sexual activity of conceiving and bearing offspring
	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