refuter vs rebutter

refuter and rebutter both are nouns.

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

As nouns, refuter and rebutter are synonyms defined as:

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

Other synonyms of refuter include confuter, disprover.

refuter (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