elephant yam vs pungapung

elephant yam and pungapung both are nouns.

Word	Noun	Adjective	Verb	Adverb
elephant yam	Yes	No	No	No
pungapung	Yes	No	No	No

As nouns, elephant yam and pungapung are synonyms defined as:

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

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

elephant yam (noun)	pungapung (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