The word narthexes refers to a porch or entrance area in a church. Synonyms for narthexes include vestibule, foyer, entranceway, hallway, entry, and antechamber. These similar words can be used interchangeably depending on the context they are used in. The vestibule is often used to refer to the entrance area of a building, including a church. Foyer is a formal way of referring to an entrance area, usually in a larger or grander building. The word antechamber is associated with the upper levels or a grand lobby. The word hallway is typically used in general settings to represent a transitional area between rooms.