glass sponge vs parazoan

glass sponge and parazoan both are nouns.

Word	Noun	Adjective	Verb	Adverb
glass sponge	Yes	No	No	No
parazoan	Yes	No	No	No

As nouns, parazoan is a hypernym of glass sponge; that is, parazoan is a word with a broader meaning than glass sponge:

glass sponge: a siliceous sponge (with glassy spicules) of the class Hyalospongiae
parazoan: primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies

Other hypernyms of glass sponge include poriferan, sponge.

glass sponge (noun)	parazoan (noun)
a siliceous sponge (with glassy spicules) of the class Hyalospongiae	primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies