sponge vs phylum Porifera

sponge and phylum Porifera both are nouns.

Word	Noun	Adjective	Verb	Adverb
sponge	Yes	No	Yes	No
phylum Porifera	Yes	No	No	No

sponge (noun)	phylum Porifera (noun)
primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies	coextensive with the subkingdom Parazoa: sponges
a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
someone able to acquire new knowledge and skills rapidly and easily
a porous mass of interlacing fibers that forms the internal skeleton of various marine animals and usable to absorb water or any porous rubber or cellulose product similarly used

sponge (verb)	phylum Porifera (verb)
wipe with a sponge, so as to clean or moisten
erase with a sponge; as of words on a blackboard
soak up with a sponge
gather sponges, in the ocean
ask for and get free; be a parasite