fuzziness vs faintness

fuzziness and faintness both are nouns.

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

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

Other hyponyms of fuzziness include dimness, vagueness.

fuzziness (noun)	faintness (noun)
the quality of being indistinct and without sharp outlines	the quality of being dim or lacking contrast
	barely audible
	the property of being without strength
	the trait of lacking boldness and courage
	a feeling of faintness and of being ready to swoon