automaker vs manufacturer

automaker and manufacturer both are nouns.

Word	Noun	Adjective	Verb	Adverb
automaker	Yes	No	No	No
manufacturer	Yes	No	No	No

As nouns, manufacturer is a hypernym of automaker; that is, manufacturer is a word with a broader meaning than automaker:

Other hypernyms of automaker include maker, manufacturing business.

automaker (noun)	manufacturer (noun)
a business engaged in the manufacture of automobiles	a business engaged in manufacturing some product
	someone who manufactures something