great millet vs kafir corn

great millet and kafir corn both are nouns.

Word	Noun	Adjective	Verb	Adverb
great millet	Yes	No	No	No
kafir corn	Yes	No	No	No

As nouns, great millet and kafir corn are synonyms defined as:

great millet and kafir corn: important for human and animal food; growth habit and stem form similar to Indian corn but having sawtooth-edged leaves

Other synonyms of great millet include kaffir, kaffir corn, Sorghum bicolor.

great millet (noun)	kafir corn (noun)
important for human and animal food; growth habit and stem form similar to Indian corn but having sawtooth-edged leaves	important for human and animal food; growth habit and stem form similar to Indian corn but having sawtooth-edged leaves