pursue vs pursuit

pursue is not a noun while pursuit is a noun.

Word	Noun	Adjective	Verb	Adverb
pursue	No	No	Yes	No
pursuit	Yes	No	No	No

pursue (noun)	pursuit (noun)
	the act of pursuing in an effort to overtake or capture
	a diversion that occupies one's time and thoughts (usually pleasantly)
	an auxiliary activity
	a search for an alternative that meets cognitive criteria

pursue (verb)	pursuit (verb)
go in search of or hunt for
follow in or as if in pursuit
carry out or participate in an activity; be involved in
carry further or advance