electric motor vs self-starter

electric motor and self-starter both are nouns.

Word	Noun	Adjective	Verb	Adverb
electric motor	Yes	No	No	No
self-starter	Yes	No	No	No

electric motor (noun)	self-starter (noun)
a motor that converts electricity to mechanical work	an electric starting motor that automatically starts an internal-combustion engine
	an energetic person with unusual initiative