electrical engineer vs engineer

electrical engineer and engineer both are nouns.

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

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

electrical engineer: a person trained in practical applications of the theory of electricity
engineer: a person who uses scientific knowledge to solve practical problems

Other hypernyms of electrical engineer include applied scientist, technologist.

electrical engineer (noun)	engineer (noun)
a person trained in practical applications of the theory of electricity	a person who uses scientific knowledge to solve practical problems
	the operator of a railway locomotive

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