aeronaut vs skilled worker

aeronaut and skilled worker both are nouns.

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

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

Other hypernyms of aeronaut include skilled workman, trained worker.

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