washout vs nonstarter

washout and nonstarter both are nouns.

Word	Noun	Adjective	Verb	Adverb
washout	Yes	No	No	No
nonstarter	Yes	No	No	No

As nouns, nonstarter is a hypernym of washout; that is, nonstarter is a word with a broader meaning than washout:

washout: someone who is unsuccessful
nonstarter: a person with a record of failing; someone who loses consistently

Other hypernyms of washout include failure, loser, unsuccessful person.

washout (noun)	nonstarter (noun)
someone who is unsuccessful	a horse that fails to run in a race for which it has been entered
the erosive process of washing away soil or gravel by water (as from a roadway)	a person with a record of failing; someone who loses consistently
the channel or break produced by erosion of relatively soft soil by water