manufacturer vs concern

manufacturer and concern both are nouns.

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

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

manufacturer: a business engaged in manufacturing some product
concern: a commercial or industrial enterprise and the people who constitute it

Other hypernyms of manufacturer include business, business concern, business organisation, business organization.

manufacturer (noun)	concern (noun)
a business engaged in manufacturing some product	something that interests you because it is important or affects you
someone who manufactures something	something or someone that causes anxiety; a source of unhappiness
	a feeling of sympathy for someone or something
	an anxious feeling
	a commercial or industrial enterprise and the people who constitute it

manufacturer (verb)	concern (verb)
	be relevant to
	be on the mind of