groundnut vs goober pea

groundnut and goober pea both are nouns.

Word	Noun	Adjective	Verb	Adverb
groundnut	Yes	No	No	No
goober pea	Yes	No	No	No

As nouns, groundnut and goober pea are synonyms defined as:

groundnut and goober pea: pod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms

Other synonyms of groundnut include earthnut, goober, monkey nut, peanut.

groundnut (noun)	goober pea (noun)
nutlike tuber; important food of Native Americans	pod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms
pod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms
a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans