cocoyam vs edda

cocoyam and edda both are nouns.

Word	Noun	Adjective	Verb	Adverb
cocoyam	Yes	No	No	No
edda	Yes	No	No	No

As nouns, cocoyam and edda are synonyms defined as:

Other synonyms of cocoyam include dasheen, taro, taro root.

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