sponge

As nouns the difference between sponge and silicisponge

is that sponge is (countable) any of various marine invertebrates, mostly of the phylum porifera , that have a porous skeleton often of silica while silicisponge is any sponge having a silica skeleton.

As a verb sponge

is (slang) to take advantage of the kindness of others.

As a noun sponge

is (countable) any of various marine invertebrates, mostly of the phylum porifera , that have a porous skeleton often of silica.

As a verb sponge

is (slang) to take advantage of the kindness of others.

As an adjective spongelike is

like a sponge; spongy.

As nouns the difference between sponge and calcarean

is that sponge is (countable) any of various marine invertebrates, mostly of the phylum porifera , that have a porous skeleton often of silica while calcarean is (zoology) any sponge, of the class calcarea , that has a skeleton composed of calcium carbonate spicules.

As a verb sponge

is (slang) to take advantage of the kindness of others.

As nouns the difference between sponge and latrunculin

is that sponge is (countable) any of various marine invertebrates, mostly of the phylum porifera , that have a porous skeleton often of silica while latrunculin is any of a family of natural products and toxins produced by certain sponges, including the genus.

As a verb sponge

is (slang) to take advantage of the kindness of others.