giant potato creeper vs potato vine

giant potato creeper and potato vine both are nouns.

Word	Noun	Adjective	Verb	Adverb
giant potato creeper	Yes	No	No	No
potato vine	Yes	No	No	No

As nouns, giant potato creeper and potato vine are synonyms defined as:

giant potato creeper and potato vine: vine of Costa Rica sparsely armed with hooklike spines and having large lilac-blue flowers

Other synonyms of giant potato creeper include Solanum wendlandii.

giant potato creeper (noun)	potato vine (noun)
vine of Costa Rica sparsely armed with hooklike spines and having large lilac-blue flowers	copiously branched vine of Brazil having deciduous leaves and white flowers tinged with blue
	vine of Costa Rica sparsely armed with hooklike spines and having large lilac-blue flowers