caravanserai vs caravan inn

caravanserai and caravan inn both are nouns.

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

As nouns, caravanserai and caravan inn are synonyms defined as:

caravanserai and caravan inn: an inn in some eastern countries with a large courtyard that provides accommodation for caravans

Other synonyms of caravanserai include caravansary, khan.

caravanserai (noun)	caravan inn (noun)
an inn in some eastern countries with a large courtyard that provides accommodation for caravans	an inn in some eastern countries with a large courtyard that provides accommodation for caravans