hostel vs khan

hostel and khan both are nouns.

Word	Noun	Adjective	Verb	Adverb
hostel	Yes	No	No	No
khan	Yes	No	No	No

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

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

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

hostel (noun)	khan (noun)
inexpensive supervised lodging (especially for youths on bicycling trips)	an inn in some eastern countries with a large courtyard that provides accommodation for caravans
a hotel providing overnight lodging for travelers	a title given to rulers or other important people in Asian countries