controversy vs disputation

controversy and disputation both are nouns.

Word	Noun	Adjective	Verb	Adverb
controversy	Yes	No	No	No
disputation	Yes	No	No	No

As nouns, controversy and disputation are synonyms defined as:

controversy and disputation: a contentious speech act; a dispute where there is strong disagreement

Other synonyms of controversy include arguing, argument, contention, contestation, disceptation, tilt.

controversy (noun)	disputation (noun)
a contentious speech act; a dispute where there is strong disagreement	the formal presentation of a stated proposition and the opposition to it (usually followed by a vote)
	a contentious speech act; a dispute where there is strong disagreement