cocoyam vs taro root

cocoyam and taro root both are nouns.

Word	Noun	Adjective	Verb	Adverb
cocoyam	Yes	No	No	No
taro root	Yes	No	No	No

As nouns, cocoyam and taro root are synonyms defined as:

Other synonyms of cocoyam include dasheen, edda, taro.

cocoyam (noun)	taro root (noun)
tropical starchy tuberous root	tropical starchy tuberous root
edible starchy tuberous root of taro plants