physical exercise vs travail

physical exercise and travail both are nouns.

Word	Noun	Adjective	Verb	Adverb
physical exercise	Yes	No	No	No
travail	Yes	No	Yes	No

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

physical exercise: the activity of exerting your muscles in various ways to keep fit
travail: use of physical or mental energy; hard work

Other hypernyms of physical exercise include effort, elbow grease, exertion, sweat.

physical exercise (noun)	travail (noun)
the activity of exerting your muscles in various ways to keep fit	use of physical or mental energy; hard work
	concluding state of pregnancy; from the onset of contractions to the birth of a child

physical exercise (verb)	travail (verb)
	work hard