fuzziness vs blurriness

fuzziness and blurriness both are nouns.

Word	Noun	Adjective	Verb	Adverb
fuzziness	Yes	No	No	No
blurriness	Yes	No	No	No

As nouns, fuzziness and blurriness are synonyms defined as:

fuzziness and blurriness: the quality of being indistinct and without sharp outlines

Other synonyms of fuzziness include fogginess, indistinctness, softness.

fuzziness (noun)	blurriness (noun)
the quality of being indistinct and without sharp outlines	the quality of being indistinct and without sharp outlines