loufah sponge vs loofa

loufah sponge and loofa both are nouns.

Word	Noun	Adjective	Verb	Adverb
loufah sponge	Yes	No	No	No
loofa	Yes	No	No	No

As nouns, loufah sponge and loofa are synonyms defined as:

loufah sponge and loofa: the dried fibrous part of the fruit of a plant of the genus Luffa; used as a washing sponge or strainer

Other synonyms of loufah sponge include loofah, luffa.

loufah sponge (noun)	loofa (noun)
the dried fibrous part of the fruit of a plant of the genus Luffa; used as a washing sponge or strainer	the dried fibrous part of the fruit of a plant of the genus Luffa; used as a washing sponge or strainer