rebuff vs repulse

rebuff and repulse both are nouns.

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

As nouns, rebuff and repulse are synonyms defined as:

Other synonyms of rebuff include snub.

As verbs, rebuff and repulse are synonyms defined as:

Other synonyms of rebuff include drive back, fight off, repel.

rebuff (noun)	repulse (noun)
a deliberate discourteous act (usually as an expression of anger or disapproval)	an instance of driving away or warding off
an instance of driving away or warding off

rebuff (verb)	repulse (verb)
reject outright and bluntly	force or drive back
force or drive back	cause to move back by force or influence
	be repellent to; cause aversion in