pepper pot vs pepper box

pepper pot and pepper box both are nouns.

Word	Noun	Adjective	Verb	Adverb
pepper pot	Yes	No	No	No
pepper box	Yes	No	No	No

As nouns, pepper pot and pepper box are synonyms defined as:

pepper pot and pepper box: a shaker with a perforated top for sprinkling ground pepper

Other synonyms of pepper pot include pepper shaker.

pepper pot (noun)	pepper box (noun)
a shaker with a perforated top for sprinkling ground pepper	a shaker with a perforated top for sprinkling ground pepper
a soup made with vegetables and tripe and seasoned with peppercorns; often contains dumplings