repulse vs nauseate

repulse is a noun but nauseate is not a noun.

Word	Noun	Adjective	Verb	Adverb
repulse	Yes	No	Yes	No
nauseate	No	No	Yes	No

As verbs, nauseate is a hyponym of repulse; that is, nauseate is a word with a more specific, narrower meaning than repulse:

Other hyponyms of repulse include churn up, disgust, revolt, sicken, put off, turn off.

repulse (noun)	nauseate (noun)
an instance of driving away or warding off

repulse (verb)	nauseate (verb)
force or drive back	cause aversion in; offend the moral sense of
cause to move back by force or influence	upset and make nauseated
be repellent to; cause aversion in