salon vs living-room

salon and living-room both are nouns.

Word	Noun	Adjective	Verb	Adverb
salon	Yes	No	No	No
living-room	Yes	No	No	No

As nouns, living-room is a hypernym of salon; that is, living-room is a word with a broader meaning than salon:

salon: elegant sitting room where guests are received
living-room: a room in a private house or establishment where people can sit and talk and relax

Other hypernyms of salon include front room, living room, parlor, parlour, sitting room.

salon (noun)	living-room (noun)
elegant sitting room where guests are received	a room in a private house or establishment where people can sit and talk and relax
gallery where works of art can be displayed
a shop where hairdressers and beauticians work