cottage industry vs industry

cottage industry and industry both are nouns.

Word	Noun	Adjective	Verb	Adverb
cottage industry	Yes	No	No	No
industry	Yes	No	No	No

As nouns, industry is a hypernym of cottage industry; that is, industry is a word with a broader meaning than cottage industry:

cottage industry: small-scale industry that can be carried on at home by family members using their own equipment
industry: the organized action of making of goods and services for sale

Other hypernyms of cottage industry include manufacture.

cottage industry (noun)	industry (noun)
small-scale industry that can be carried on at home by family members using their own equipment	the organized action of making of goods and services for sale
	persevering determination to perform a task
	the people or companies engaged in a particular kind of commercial enterprise