leisure time vs holiday

leisure time and holiday both are nouns.

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

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

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

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

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