vacation vs outing

vacation and outing both are nouns.

Word	Noun	Adjective	Verb	Adverb
vacation	Yes	No	Yes	No
outing	Yes	No	No	No

As nouns, outing is a hyponym of vacation; that is, outing is a word with a more specific, narrower meaning than vacation:

Other hyponyms of vacation include half-term, vac, vacay, field day, picnic, honeymoon, paid vacation, winter break.

vacation (noun)	outing (noun)
the act of making something legally void	a journey taken for pleasure
leisure time away from work devoted to rest or pleasure	a day devoted to an outdoor social gathering

vacation (verb)	outing (verb)
spend or take a vacation