aeronaut vs trained worker

aeronaut and trained worker both are nouns.

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

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

Other hypernyms of aeronaut include skilled worker, skilled workman.

aeronaut (noun)	trained worker (noun)
someone who operates an aircraft	a worker who has acquired special skills