fineness vs daintiness

fineness and daintiness both are nouns.

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

As nouns, fineness and daintiness are synonyms defined as:

fineness and daintiness: the quality of being beautiful and delicate in appearance

Other synonyms of fineness include delicacy.

fineness (noun)	daintiness (noun)
the quality of being beautiful and delicate in appearance	the quality of being beautiful and delicate in appearance
the property of being very narrow or thin
having a very fine texture
the quality of being very good indeed