sneezing vs inborn reflex

sneezing and inborn reflex both are nouns.

Word	Noun	Adjective	Verb	Adverb
sneezing	Yes	No	No	No
inborn reflex	Yes	No	No	No

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

sneezing: a symptom consisting of the involuntary expulsion of air from the nose
inborn reflex: an automatic instinctive unlearned reaction to a stimulus

sneezing (noun)	inborn reflex (noun)
a symptom consisting of the involuntary expulsion of air from the nose	an automatic instinctive unlearned reaction to a stimulus