loofah vs loofa

loofah and loofa both are nouns.

Word	Noun	Adjective	Verb	Adverb
loofah	Yes	No	No	No
loofa	Yes	No	No	No

As nouns, loofah and loofa are synonyms defined as:

loofah 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 loofah include loufah sponge, luffa.

loofah (noun)	loofa (noun)
the loofah climber that has cylindrical fruit	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