shipbuilder vs concern

shipbuilder and concern both are nouns.

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

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

shipbuilder: a business that builds and repairs ships
concern: a commercial or industrial enterprise and the people who constitute it

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

shipbuilder (noun)	concern (noun)
a business that builds and repairs ships	something that interests you because it is important or affects you
a person who builds ships as a business	something or someone that causes anxiety; a source of unhappiness
a carpenter who helps build and launch wooden vessels	a feeling of sympathy for someone or something
	an anxious feeling
	a commercial or industrial enterprise and the people who constitute it

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