learned response vs learned reaction

learned response and learned reaction both are nouns.

Word	Noun	Adjective	Verb	Adverb
learned response	Yes	No	No	No
learned reaction	Yes	No	No	No

As nouns, learned response and learned reaction are synonyms defined as:

learned response and learned reaction: a reaction that has been acquired by learning

learned response (noun)	learned reaction (noun)
a reaction that has been acquired by learning	a reaction that has been acquired by learning