living room vs front room

living room and front room both are nouns.

Word	Noun	Adjective	Verb	Adverb
living room	Yes	No	No	No
front room	Yes	No	No	No

As nouns, living room and front room are synonyms defined as:

living room and front room: a room in a private house or establishment where people can sit and talk and relax

Other synonyms of living room include living-room, parlor, parlour, sitting room.

living room (noun)	front room (noun)
a room in a private house or establishment where people can sit and talk and relax	a room in a private house or establishment where people can sit and talk and relax