hotel vs building

hotel and building both are nouns.

Word	Noun	Adjective	Verb	Adverb
hotel	Yes	No	No	No
building	Yes	No	No	No

As nouns, building is a hypernym of hotel; that is, building is a word with a broader meaning than hotel:

hotel: a building where travelers can pay for lodging and meals and other services
building: a structure that has a roof and walls and stands more or less permanently in one place

Other hypernyms of hotel include edifice.

hotel (noun)	building (noun)
a building where travelers can pay for lodging and meals and other services	the act of constructing something
	the commercial activity involved in repairing old structures or constructing new ones
	a structure that has a roof and walls and stands more or less permanently in one place
	the occupants of a building