spongy vs sponginess

spongy is not a noun while sponginess is a noun.

Word	Noun	Adjective	Verb	Adverb
spongy	No	Yes	No	No
sponginess	Yes	No	No	No

spongy (noun)	sponginess (noun)
	the porosity of a sponge
	the property of being able to occupy less space

spongy (adjective)	sponginess (adjective)
like a sponge in being able to absorb liquids and yield it back when compressed
easily squashed; resembling a sponge in having soft porous texture and compressibility