flouriness vs powderiness

flouriness and powderiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
flouriness	Yes	No	No	No
powderiness	Yes	No	No	No

As nouns, powderiness is a hypernym of flouriness; that is, powderiness is a word with a broader meaning than flouriness:

flouriness: The state or condition of resembling flour, of being a fine soft powder.
powderiness: having a very fine texture

Other hypernyms of flouriness include fineness.

flouriness (noun)	powderiness (noun)
The state or condition of resembling flour, of being a fine soft powder.	having a very fine texture