counter-evidence vs counterevidence

counter-evidence and counterevidence both are nouns.

Word	Noun	Adjective	Verb	Adverb
counter-evidence	Yes	No	No	No
counterevidence	Yes	No	No	No

As nouns, counter-evidence and counterevidence are synonyms defined as:

counter-evidence and counterevidence: (philosophy, law, sciences) Evidence which tends to disprove a claim or hypothesis.

counter-evidence (noun)	counterevidence (noun)
(philosophy, law, sciences) Evidence which tends to disprove a claim or hypothesis.	(philosophy, law, sciences) Evidence which tends to disprove a claim or hypothesis.