punctuate vs punctuation

punctuate is not a noun while punctuation is a noun.

Word	Noun	Adjective	Verb	Adverb
punctuate	No	No	Yes	No
punctuation	Yes	No	No	No

punctuate (noun)	punctuation (noun)
	the use of certain marks to clarify meaning of written material by grouping words grammatically into sentences and clauses and phrases
	the marks used to clarify meaning by indicating separation of words into sentences and clauses and phrases
	something that makes repeated and regular interruptions or divisions

punctuate (verb)	punctuation (verb)
insert punctuation marks into
interrupt periodically
to stress, single out as important