innate reflex vs physiological reaction

innate reflex and physiological reaction both are nouns.

Word	Noun	Adjective	Verb	Adverb
innate reflex	Yes	No	No	No
physiological reaction	Yes	No	No	No

As nouns, innate reflex and physiological reaction are synonyms defined as:

innate reflex and physiological reaction: an automatic instinctive unlearned reaction to a stimulus

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