Loofa and Vegetable sponge

Loofa noun - The dried fibrous part of the fruit of a plant of the genus Luffa; used as a washing sponge or strainer.

Vegetable sponge and loofa are semantically related. In some cases you can use "Vegetable sponge" instead a noun "Loofa".

Vegetable sponge noun - The loofah climber that has cylindrical fruit.

Loofa and vegetable sponge are semantically related. Sometimes you can replace term "Loofa" with "Vegetable sponge", this terms are similar.