disprover vs rebutter

disprover and rebutter both are nouns.

Word	Noun	Adjective	Verb	Adverb
disprover	Yes	No	No	No
rebutter	Yes	No	No	No

As nouns, disprover and rebutter are synonyms defined as:

disprover and rebutter: a debater who refutes or disproves by offering contrary evidence or argument

Other synonyms of disprover include confuter, refuter.

disprover (noun)	rebutter (noun)
a debater who refutes or disproves by offering contrary evidence or argument	(law) a pleading by the defendant in reply to a plaintiff's surrejoinder
	a debater who refutes or disproves by offering contrary evidence or argument