steam vs cook

steam and cook both are nouns.

Word	Noun	Adjective	Verb	Adverb
steam	Yes	No	Yes	No
cook	Yes	No	Yes	No

As verbs, cook is a hypernym of steam; that is, cook is a word with a broader meaning than steam:

steam (noun)	cook (noun)
water at boiling temperature diffused in the atmosphere	someone who cooks food

steam (verb)	cook (verb)
cook something by letting steam pass over it	transform and make suitable for consumption by heating
clean by means of steaming	transform by heating
get very agitated or angry	prepare for eating by applying heat
rise as vapor	prepare a hot meal
travel by means of steam power	tamper, with the purpose of deception
emit steam