incubator vs incubate

incubator is a noun but incubate is not a noun.

Word	Noun	Adjective	Verb	Adverb
incubator	Yes	No	No	No
incubate	No	No	Yes	No

incubator (noun)	incubate (noun)
apparatus consisting of a box designed to maintain a constant temperature by the use of a thermostat; used for chicks or premature infants

incubator (verb)	incubate (verb)
	sit on (eggs)
	grow under conditions that promote development