cooking vs deep-fry

cooking is a noun but deep-fry is not a noun.

Word	Noun	Adjective	Verb	Adverb
cooking	Yes	No	No	No
deep-fry	No	No	Yes	No

cooking (noun)	deep-fry (noun)
the act of preparing something (as food) by the application of heat

cooking (verb)	deep-fry (verb)
	cook by immersing in fat