WordNet sense 1 (a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans):

Indian potato, potato bean, Apios americana, Apios tuberosa, groundnut vine, wild bean

WordNet sense 2 (pod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms):

goober, peanut, earthnut, goober pea, monkey nut