breaking wind vs innate reflex

breaking wind and innate reflex both are nouns.

Word	Noun	Adjective	Verb	Adverb
breaking wind	Yes	No	No	No
innate reflex	Yes	No	No	No

As nouns, innate reflex is a hypernym of breaking wind; that is, innate reflex is a word with a broader meaning than breaking wind:

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