puking vs innate reflex

puking and innate reflex both are nouns.

Word	Noun	Adjective	Verb	Adverb
puking	Yes	No	No	No
innate reflex	Yes	No	No	No

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

puking: the reflex act of ejecting the contents of the stomach through the mouth
innate reflex: an automatic instinctive unlearned reaction to a stimulus

puking (noun)	innate reflex (noun)
the reflex act of ejecting the contents of the stomach through the mouth	an automatic instinctive unlearned reaction to a stimulus