vomit vs unconditioned reflex

vomit and unconditioned reflex both are nouns.

Word	Noun	Adjective	Verb	Adverb
vomit	Yes	No	Yes	No
unconditioned reflex	Yes	No	No	No

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

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

vomit (noun)	unconditioned reflex (noun)
the reflex act of ejecting the contents of the stomach through the mouth	an automatic instinctive unlearned reaction to a stimulus
a medicine that induces nausea and vomiting
the matter ejected in vomiting

vomit (verb)	unconditioned reflex (verb)
eject the contents of the stomach through the mouth