lodge vs caravan inn

lodge and caravan inn both are nouns.

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

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

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

lodge (noun)	caravan inn (noun)
any of various Native American dwellings	an inn in some eastern countries with a large courtyard that provides accommodation for caravans
a hotel providing overnight lodging for travelers
a small (rustic) house used as a temporary shelter
small house at the entrance to the grounds of a country mansion; usually occupied by a gatekeeper or gardener
a formal association of people with similar interests