hostelry vs caravan inn

hostelry and caravan inn both are nouns.

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

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

hostelry: 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 hostelry include caravansary, caravanserai, khan, imaret, post house, posthouse, roadhouse.

hostelry (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