pepper pot vs pepper shaker

pepper pot and pepper shaker both are nouns.

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

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

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

Other synonyms of pepper pot include pepper box.

pepper pot (noun)	pepper shaker (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