Guinea corn vs doura

Guinea corn and doura both are nouns.

Word	Noun	Adjective	Verb	Adverb
Guinea corn	Yes	No	No	No
doura	Yes	No	No	No

As nouns, Guinea corn and doura are synonyms defined as:

Other synonyms of Guinea corn include dourah, durra, Egyptian corn, Indian millet.

Guinea corn (noun)	doura (noun)
sorghums of dry regions of Asia and North Africa	sorghums of dry regions of Asia and North Africa