industriousness vs diligence

industriousness and diligence both are nouns.

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

As nouns, industriousness and diligence are synonyms defined as:

industriousness and diligence: persevering determination to perform a task

Other synonyms of industriousness include industry.

industriousness (noun)	diligence (noun)
persevering determination to perform a task	a diligent effort
	persevering determination to perform a task
	conscientiousness in paying proper attention to a task; giving the degree of care required in a given situation