engineer vs engine driver

engineer and engine driver both are nouns.

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

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

Other synonyms of engineer include locomotive engineer, railroad engineer.

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

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