slothfulness vs disinclination

slothfulness and disinclination both are nouns.

Word	Noun	Adjective	Verb	Adverb
slothfulness	Yes	No	No	No
disinclination	Yes	No	No	No

As nouns, disinclination is a hypernym of slothfulness; that is, disinclination is a word with a broader meaning than slothfulness:

Other hypernyms of slothfulness include hesitancy, hesitation, indisposition, reluctance.

slothfulness (noun)	disinclination (noun)
a disinclination to work or exert yourself	a certain degree of unwillingness
	that toward which you are inclined to feel dislike