travail vs effort

travail and effort both are nouns.

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

As nouns, travail and effort are synonyms defined as:

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

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

travail (verb)	effort (verb)
work hard