pepper box vs pepper pot

pepper box and pepper pot both are nouns.

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

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

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

Other synonyms of pepper box include pepper shaker.

pepper box (noun)	pepper pot (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