fart vs instinctive reflex

fart and instinctive reflex both are nouns.

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

As nouns, instinctive reflex is a hypernym of fart; that is, instinctive reflex is a word with a broader meaning than fart:

fart: a reflex that expels intestinal gas through the anus
instinctive reflex: an automatic instinctive unlearned reaction to a stimulus

fart (noun)	instinctive reflex (noun)
a reflex that expels intestinal gas through the anus	an automatic instinctive unlearned reaction to a stimulus

fart (verb)	instinctive reflex (verb)
expel intestinal gases through the anus