rag gourd vs loofa

rag gourd and loofa both are nouns.

Word	Noun	Adjective	Verb	Adverb
rag gourd	Yes	No	No	No
loofa	Yes	No	No	No

rag gourd (noun)	loofa (noun)
any of several tropical annual climbers having large yellow flowers and edible young fruits; grown commercially for the mature fruit's dried fibrous interior that is used as a sponge	the dried fibrous part of the fruit of a plant of the genus Luffa; used as a washing sponge or strainer