compressibility vs sponginess

compressibility and sponginess both are nouns.

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

As nouns, compressibility and sponginess are synonyms defined as:

compressibility and sponginess: the property of being able to occupy less space

Other synonyms of compressibility include squeezability.

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