derris root vs tuba root

derris root and tuba root both are nouns.

Word	Noun	Adjective	Verb	Adverb
derris root	Yes	No	No	No
tuba root	Yes	No	No	No

As nouns, derris root and tuba root are synonyms defined as:

derris root and tuba root: woody vine having bright green leaves and racemes of rose-tinted white flowers; the swollen roots contain rotenone

Other synonyms of derris root include Derris elliptica.

derris root (noun)	tuba root (noun)
woody vine having bright green leaves and racemes of rose-tinted white flowers; the swollen roots contain rotenone	woody vine having bright green leaves and racemes of rose-tinted white flowers; the swollen roots contain rotenone