student lodging vs lodging

student lodging and lodging both are nouns.

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

As nouns, lodging is a hypernym of student lodging; that is, lodging is a word with a broader meaning than student lodging:

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

Other hypernyms of student lodging include housing, living accommodations.

student lodging (noun)	lodging (noun)
inexpensive supervised lodging (especially for youths on bicycling trips)	the act of lodging
	structures collectively in which people are housed
	the state or quality of being lodged or fixed even temporarily