transparent vs transparentness

transparent is not a noun while transparentness is a noun.

Word	Noun	Adjective	Verb	Adverb
transparent	No	Yes	No	No
transparentness	Yes	No	No	No

transparent (noun)	transparentness (noun)
	the quality of being clear and transparent

transparent (adjective)	transparentness (adjective)
transmitting light; able to be seen through with clarity
easily understood or seen through (because of a lack of subtlety)
free of deceit
so thin as to transmit light