cumin vs Cuminum cyminum

cumin and Cuminum cyminum both are nouns.

Word	Noun	Adjective	Verb	Adverb
cumin	Yes	No	No	No
Cuminum cyminum	Yes	No	No	No

As nouns, cumin and Cuminum cyminum are synonyms defined as:

cumin and Cuminum cyminum: dwarf Mediterranean annual long cultivated for its aromatic seeds

cumin (noun)	Cuminum cyminum (noun)
aromatic seeds of the cumin herb of the carrot family	dwarf Mediterranean annual long cultivated for its aromatic seeds
dwarf Mediterranean annual long cultivated for its aromatic seeds