cooking vs cook up

cooking is a noun but cook up is not a noun.

Word	Noun	Adjective	Verb	Adverb
cooking	Yes	No	No	No
cook up	No	No	Yes	No

cooking (noun)	cook up (noun)
the act of preparing something (as food) by the application of heat

cooking (verb)	cook up (verb)
	concoct something artificial or untrue
	prepare or cook by mixing ingredients