assiduity vs industry

assiduity and industry both are nouns.

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

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

Other hypernyms of assiduity include diligence, industriousness.

assiduity (noun)	industry (noun)
great and constant diligence and attention	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