response vs replication

response and replication both are nouns.

Word	Noun	Adjective	Verb	Adverb
response	Yes	No	No	No
replication	Yes	No	No	No

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

response: the speech act of continuing a conversational exchange
replication: a quick reply to a question or remark (especially a witty or critical one)

Other hyponyms of response include counterblast, non sequitur, comeback, counter, rejoinder, retort, return, riposte, echo, answer.

response (noun)	replication (noun)
a bodily process occurring due to the effect of some antecedent stimulus or agent	the act of making copies
the manner in which an electrical or mechanical device responds to an input signal or a range of input signals	the repetition of an experiment in order to test the validity of its conclusion
the speech act of continuing a conversational exchange	copy that is not the original; something that has been copied
a statement (either spoken or written) that is made to reply to a question or request or criticism or accusation	the repetition of a sound resulting from reflection of the sound waves
the manner in which something is greeted	(law) a pleading made by a plaintiff in reply to the defendant's plea or answer
a phrase recited or sung by the congregation following a versicle by the priest or minister	a quick reply to a question or remark (especially a witty or critical one)
a result	(genetics) the process whereby DNA makes a copy of itself before cell division