sneeze vs reflex response

sneeze and reflex response both are nouns.

Word	Noun	Adjective	Verb	Adverb
sneeze	Yes	No	Yes	No
reflex response	Yes	No	No	No

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

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

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

sneeze (verb)	reflex response (verb)
exhale spasmodically, as when an irritant entered one's nose