leisure vs holiday

leisure and holiday both are nouns.

Word	Noun	Adjective	Verb	Adverb
leisure	Yes	No	No	No
holiday	Yes	No	Yes	No

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

Other hyponyms of leisure include free time, spare time, vacation, playday, playtime.

leisure (noun)	holiday (noun)
freedom to choose a pastime or enjoyable activity	leisure time away from work devoted to rest or pleasure
time available for ease and relaxation	a day on which work is suspended by law or custom

leisure (verb)	holiday (verb)
	spend or take a vacation