inn vs hostel

inn and hostel both are nouns.

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

As nouns, inn and hostel are synonyms defined as:

Other synonyms of inn include auberge, hostelry, lodge.

inn (noun)	hostel (noun)
a hotel providing overnight lodging for travelers	inexpensive supervised lodging (especially for youths on bicycling trips)
	a hotel providing overnight lodging for travelers