diligence vs travail

diligence and travail both are nouns.

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

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

Other hypernyms of diligence include effort, elbow grease, exertion, sweat.

diligence (noun)	travail (noun)
a diligent effort	use of physical or mental energy; hard work
persevering determination to perform a task	concluding state of pregnancy; from the onset of contractions to the birth of a child
conscientiousness in paying proper attention to a task; giving the degree of care required in a given situation

diligence (verb)	travail (verb)
	work hard