industriousness vs industry

industriousness and industry both are nouns.

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

As nouns, industriousness and industry are synonyms defined as:

industriousness and industry: persevering determination to perform a task

Other synonyms of industriousness include diligence.

industriousness (noun)	industry (noun)
persevering determination to perform a task	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