effort vs travail

effort and travail both are nouns.

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

As nouns, effort and travail are synonyms defined as:

Other synonyms of effort include elbow grease, exertion, sweat.

effort (noun)	travail (noun)
earnest and conscientious activity intended to do or accomplish something	use of physical or mental energy; hard work
use of physical or mental energy; hard work	concluding state of pregnancy; from the onset of contractions to the birth of a child
a notable achievement
a series of actions advancing a principle or tending toward a particular end

effort (verb)	travail (verb)
	work hard