parlor vs front room

parlor and front room both are nouns.

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

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

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

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

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