youth hostel vs student lodging

youth hostel and student lodging both are nouns.

Word	Noun	Adjective	Verb	Adverb
youth hostel	Yes	No	No	No
student lodging	Yes	No	No	No

As nouns, youth hostel and student lodging are synonyms defined as:

youth hostel and student lodging: inexpensive supervised lodging (especially for youths on bicycling trips)

Other synonyms of youth hostel include hostel.

youth hostel (noun)	student lodging (noun)
inexpensive supervised lodging (especially for youths on bicycling trips)	inexpensive supervised lodging (especially for youths on bicycling trips)