kaffir vs Sorghum bicolor

kaffir and Sorghum bicolor both are nouns.

Word	Noun	Adjective	Verb	Adverb
kaffir	Yes	No	No	No
Sorghum bicolor	Yes	No	No	No

As nouns, kaffir and Sorghum bicolor are synonyms defined as:

kaffir and Sorghum bicolor: important for human and animal food; growth habit and stem form similar to Indian corn but having sawtooth-edged leaves

Other synonyms of kaffir include great millet, kaffir corn, kafir corn.

kaffir (noun)	Sorghum bicolor (noun)
an offensive and insulting term for any Black African	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