accentuation vs accentuate

accentuation is a noun but accentuate is not a noun.

Word	Noun	Adjective	Verb	Adverb
accentuation	Yes	No	No	No
accentuate	No	No	Yes	No

accentuation (noun)	accentuate (noun)
the act of giving special importance or significance to something
the use or application of an accent; the relative prominence of syllables in a phrase or utterance

accentuation (verb)	accentuate (verb)
	to stress, single out as important
	put stress on; utter with an accent