recur vs employ

recur is not a noun while employ is a noun.

Word	Noun	Adjective	Verb	Adverb
recur	No	No	Yes	No
employ	Yes	No	Yes	No

As verbs, employ is a hypernym of recur; that is, employ is a word with a broader meaning than recur:

recur: have recourse to
employ: put into service; make work or employ for a particular purpose or for its inherent or natural purpose

Other hypernyms of recur include apply, use, utilise, utilize.

recur (noun)	employ (noun)
	the state of being employed or having a job

recur (verb)	employ (verb)
happen or occur again	put into service; make work or employ for a particular purpose or for its inherent or natural purpose
return in thought or speech to something	engage or hire for work
have recourse to