fineness vs flouriness

fineness and flouriness both are nouns.

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

As nouns, flouriness is a hyponym of fineness; that is, flouriness is a word with a more specific, narrower meaning than fineness:

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

fineness (noun)	flouriness (noun)
the quality of being beautiful and delicate in appearance	The state or condition of resembling flour, of being a fine soft powder.
the property of being very narrow or thin
having a very fine texture
the quality of being very good indeed