hall vs antechamber

hall and antechamber both are nouns.

Word	Noun	Adjective	Verb	Adverb
hall	Yes	No	No	No
antechamber	Yes	No	No	No

As nouns, hall and antechamber are synonyms defined as:

Other synonyms of hall include anteroom, entrance hall, foyer, lobby, vestibule.

hall (noun)	antechamber (noun)
a large building for meetings or entertainment	a large entrance or reception room or area
a large room for gatherings, receiving guests, or entertainment
an interior passage or corridor onto which rooms open
a college or university building containing living quarters for students
a large entrance or reception room or area
the large room of a manor or castle
a large and imposing house
a large building used by a college or university for teaching or research