hesitation vs sloth

hesitation and sloth both are nouns.

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

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

Other hyponyms of hesitation include slothfulness.

hesitation (noun)	sloth (noun)
the act of pausing uncertainly	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
indecision in speech or action	a disinclination to work or exert yourself