cook vs trained worker

cook and trained worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
cook	Yes	No	Yes	No
trained worker	Yes	No	No	No

As nouns, trained worker is a hypernym of cook; that is, trained worker is a word with a broader meaning than cook:

Other hypernyms of cook include skilled worker, skilled workman.

cook (noun)	trained worker (noun)
someone who cooks food	a worker who has acquired special skills

cook (verb)	trained worker (verb)
transform and make suitable for consumption by heating
transform by heating
prepare for eating by applying heat
prepare a hot meal
tamper, with the purpose of deception