hostel vs hostelry

hostel and hostelry both are nouns.

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

As nouns, hostel and hostelry are synonyms defined as:

Other synonyms of hostel include auberge, inn, lodge.

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