elongate vs elongation

elongate is not a noun while elongation is a noun.

Word	Noun	Adjective	Verb	Adverb
elongate	No	Yes	Yes	No
elongation	Yes	No	No	No

elongate (noun)	elongation (noun)
	the act of lengthening something
	an addition to the length of something
	the quality of being elongated

elongate (adjective)	elongation (adjective)
having notably more length than width; being long and slender
(of a leaf shape) long and narrow

elongate (verb)	elongation (verb)
make long or longer by pulling and stretching