elephant yam vs Amorphophallus campanulatus

elephant yam and Amorphophallus campanulatus both are nouns.

Word	Noun	Adjective	Verb	Adverb
elephant yam	Yes	No	No	No
Amorphophallus campanulatus	Yes	No	No	No

As nouns, elephant yam and Amorphophallus campanulatus are synonyms defined as:

elephant yam and Amorphophallus campanulatus: putrid-smelling aroid of southeastern Asia (especially the Philippines) grown for its edible tuber

Other synonyms of elephant yam include Amorphophallus paeonifolius, pungapung, telingo potato.

elephant yam (noun)	Amorphophallus campanulatus (noun)
putrid-smelling aroid of southeastern Asia (especially the Philippines) grown for its edible tuber	putrid-smelling aroid of southeastern Asia (especially the Philippines) grown for its edible tuber