spirits vs hard drink

spirits and hard drink both are nouns.

Word	Noun	Adjective	Verb	Adverb
spirits	Yes	No	No	No
hard drink	Yes	No	No	No

As nouns, spirits and hard drink are synonyms defined as:

spirits and hard drink: an alcoholic beverage that is distilled rather than fermented

Other synonyms of spirits include booze, hard liquor, John Barleycorn, liquor, strong drink.

spirits (noun)	hard drink (noun)
an alcoholic beverage that is distilled rather than fermented	an alcoholic beverage that is distilled rather than fermented