front room vs parlour

front room and parlour both are nouns.

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

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

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

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

front room (noun)	parlour (noun)
a room in a private house or establishment where people can sit and talk and relax	reception room in an inn or club where visitors can be received
	a room in a private house or establishment where people can sit and talk and relax