sedulousness vs diligence

sedulousness and diligence both are nouns.

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

As nouns, diligence is a hypernym of sedulousness; that is, diligence is a word with a broader meaning than sedulousness:

Other hypernyms of sedulousness include industriousness, industry.

sedulousness (noun)	diligence (noun)
the quality of being constantly diligent and attentive	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