faintness vs softness

faintness and softness both are nouns.

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

As nouns, softness is a hypernym of faintness; that is, softness is a word with a broader meaning than faintness:

Other hypernyms of faintness include blurriness, fogginess, fuzziness, indistinctness.

As nouns, softness is a hypernym of faintness; that is, softness is a word with a broader meaning than faintness:

faintness (noun)	softness (noun)
the quality of being dim or lacking contrast	the property of giving little resistance to pressure and being easily cut or molded
barely audible	a sound property that is free from loudness or stridency
the property of being without strength	a disposition to be lenient in judging others
the trait of lacking boldness and courage	acting in a manner that is gentle and mild and even-tempered
a feeling of faintness and of being ready to swoon	the trait of being effeminate (derogatory of a man)
	the quality of being indistinct and without sharp outlines
	a visual property that is subdued and free from brilliance or glare
	a state of declining economic condition
	poor physical condition; being out of shape or out of condition (as from a life of ease and luxury)
	the quality of weather that is deliciously mild and soothing