reflex vs reflex response

reflex and reflex response both are nouns.

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

As nouns, reflex and reflex response are synonyms defined as:

reflex and reflex response: an automatic instinctive unlearned reaction to a stimulus

reflex (noun)	reflex response (noun)
an automatic instinctive unlearned reaction to a stimulus	an automatic instinctive unlearned reaction to a stimulus

reflex (adjective)	reflex response (adjective)
without volition or conscious control