unwind vs veg out

unwind and veg out both are verbs.

Word	Noun	Adjective	Verb	Adverb
unwind	No	No	Yes	No
veg out	No	No	Yes	No

As verbs, veg out is a hyponym of unwind; that is, veg out is a word with a more specific, narrower meaning than unwind:

Other hyponyms of unwind include vegetate, sit back, take it easy.

unwind (verb)	veg out (verb)
become less tense, rest, or take one's ease	engage in passive relaxation
cause to feel relaxed
separate the tangles of
reverse the winding or twisting of