inn vs caravan inn

inn and caravan inn both are nouns.

Word	Noun	Adjective	Verb	Adverb
inn	Yes	No	No	No
caravan inn	Yes	No	No	No

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

inn: a hotel providing overnight lodging for travelers
caravan inn: an inn in some eastern countries with a large courtyard that provides accommodation for caravans

Other hyponyms of inn include caravansary, caravanserai, khan, imaret, post house, posthouse, roadhouse.

inn (noun)	caravan inn (noun)
a hotel providing overnight lodging for travelers	an inn in some eastern countries with a large courtyard that provides accommodation for caravans