sloth vs indisposition

sloth and indisposition both are nouns.

Word	Noun	Adjective	Verb	Adverb
sloth	Yes	No	No	No
indisposition	Yes	No	No	No

As nouns, indisposition is a hypernym of sloth; that is, indisposition is a word with a broader meaning than sloth:

Other hypernyms of sloth include disinclination, hesitancy, hesitation, reluctance.

sloth (noun)	indisposition (noun)
apathy and inactivity in the practice of virtue (personified as one of the deadly sins)	a certain degree of unwillingness
any of several slow-moving arboreal mammals of South America and Central America; they hang from branches back downward and feed on leaves and fruits	a slight illness
a disinclination to work or exert yourself