aerospace engineer vs engineer

aerospace engineer and engineer both are nouns.

Word	Noun	Adjective	Verb	Adverb
aerospace engineer	Yes	No	No	No
engineer	Yes	No	Yes	No

As nouns, engineer is a hypernym of aerospace engineer; that is, engineer is a word with a broader meaning than aerospace engineer:

aerospace engineer: an engineer of aircraft and space vehicles
engineer: a person who uses scientific knowledge to solve practical problems

Other hypernyms of aerospace engineer include applied scientist, technologist.

aerospace engineer (noun)	engineer (noun)
an engineer of aircraft and space vehicles	a person who uses scientific knowledge to solve practical problems
	the operator of a railway locomotive

aerospace engineer (verb)	engineer (verb)
	plan and direct (a complex undertaking)
	design as an engineer