instinctive reflex vs reflex

instinctive reflex and reflex both are nouns.

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

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

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

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

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