insult vs indignity

insult and indignity both are nouns.

Word	Noun	Adjective	Verb	Adverb
insult	Yes	No	Yes	No
indignity	Yes	No	No	No

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

insult: a deliberately offensive act or something producing the effect of deliberate disrespect
indignity: an affront to one's dignity or self-esteem

Other hyponyms of insult include outrage, scandalisation, scandalization.

insult (noun)	indignity (noun)
a deliberately offensive act or something producing the effect of deliberate disrespect	an affront to one's dignity or self-esteem
a rude expression intended to offend or hurt

insult (verb)	indignity (verb)
treat, mention, or speak to rudely