engine driver vs engineer

engine driver and engineer both are nouns.

Word	Noun	Adjective	Verb	Adverb
engine driver	Yes	No	No	No
engineer	Yes	No	Yes	No

As nouns, engine driver and engineer are synonyms defined as:

Other synonyms of engine driver include locomotive engineer, railroad engineer.

engine driver (noun)	engineer (noun)
the operator of a railway locomotive	a person who uses scientific knowledge to solve practical problems
	the operator of a railway locomotive

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