youth hostel vs housing

youth hostel and housing both are nouns.

Word	Noun	Adjective	Verb	Adverb
youth hostel	Yes	No	No	No
housing	Yes	No	No	No

As nouns, housing is a hypernym of youth hostel; that is, housing is a word with a broader meaning than youth hostel:

youth hostel: inexpensive supervised lodging (especially for youths on bicycling trips)
housing: structures collectively in which people are housed

Other hypernyms of youth hostel include living accommodations, lodging.

youth hostel (noun)	housing (noun)
inexpensive supervised lodging (especially for youths on bicycling trips)	structures collectively in which people are housed
	a protective cover designed to contain or support a mechanical component
	stable gear consisting of a decorated covering for a horse, especially (formerly) for a warhorse