Guinea grains vs grains of paradise

Guinea grains and grains of paradise both are nouns.

Word	Noun	Adjective	Verb	Adverb
Guinea grains	Yes	No	No	No
grains of paradise	Yes	No	No	No

As nouns, Guinea grains and grains of paradise are synonyms defined as:

Guinea grains and grains of paradise: West African plant bearing pungent peppery seeds

Other synonyms of Guinea grains include Aframomum melegueta, Guinea pepper, melagueta pepper.

Guinea grains (noun)	grains of paradise (noun)
West African plant bearing pungent peppery seeds	West African plant bearing pungent peppery seeds