Velban vs vinblastine

Velban and vinblastine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Velban	Yes	No	No	No
vinblastine	Yes	No	No	No

As nouns, Velban and vinblastine are synonyms defined as:

Velban and vinblastine: periwinkle plant derivative used as an antineoplastic drug (trade name Velban) that disrupts cell division

Velban (noun)	vinblastine (noun)
periwinkle plant derivative used as an antineoplastic drug (trade name Velban) that disrupts cell division	periwinkle plant derivative used as an antineoplastic drug (trade name Velban) that disrupts cell division