apartment vs lodging

apartment and lodging both are nouns.

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

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

Other hypernyms of apartment include housing, living accommodations.

apartment (noun)	lodging (noun)
a suite of rooms usually on one floor of an apartment house	the act of lodging
	structures collectively in which people are housed
	the state or quality of being lodged or fixed even temporarily