sponge

As nouns the difference between taxonomy and sponge

is that taxonomy is the science or the technique used to make a classification while 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 nouns the difference between sponge and ventriculite

is that sponge is (countable) any of various marine invertebrates, mostly of the phylum porifera , that have a porous skeleton often of silica while ventriculite is (paleontology) any of numerous species of siliceous fossil sponges belonging to ventriculites and allied genera.

As a verb sponge

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

As nouns the difference between sponge and spongoblast

is that sponge is (countable) any of various marine invertebrates, mostly of the phylum porifera , that have a porous skeleton often of silica while spongoblast is (zoology) in sponges, one of the cells that secrete spongin.

As a verb sponge

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

As nouns the difference between sponge and palpocil

is that sponge is (countable) any of various marine invertebrates, mostly of the phylum porifera , that have a porous skeleton often of silica while palpocil is (zoology) a minute soft filamentary process springing from the surface of certain hydroids and sponges.

As a verb sponge

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

As a noun sponge

is any of various marine invertebrates, mostly of the phylum Porifera, that have a porous skeleton often of silica.

As a verb sponge

is to take advantage of the kindness of others.

As an adjective tetraxile is

having four branches diverging at right angles; said of certain spicules of sponges.

As nouns the difference between sponge and tetractinellid

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

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 spongoid is

resembling sponge.

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 lithophagous is

(zoology) eating or swallowing stones or gravel.

As nouns the difference between sponge and probang

is that sponge is (countable) any of various marine invertebrates, mostly of the phylum porifera , that have a porous skeleton often of silica while probang is a slender elastic rod, as of whalebone, with a sponge on the end, for removing obstructions from the oesophagus, etc.

As a verb sponge

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

As nouns the difference between sponge and amphidisc

is that sponge is (countable) any of various marine invertebrates, mostly of the phylum porifera , that have a porous skeleton often of silica while amphidisc is (zoology) a small siliceous spicule having a denticulate wheel at each end, found in freshwater sponges.

As a verb sponge

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