sorrow vs contriteness

sorrow and contriteness both are nouns.

Word	Noun	Adjective	Verb	Adverb
sorrow	Yes	No	Yes	No
contriteness	Yes	No	No	No

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

Other hyponyms of sorrow include attrition, contrition, compunction, remorse, self-reproach.

sorrow (noun)	contriteness (noun)
something that causes great unhappiness	sorrow for sin arising from fear of damnation
an emotion of great sadness associated with loss or bereavement
sadness associated with some wrong done or some disappointment
the state of being sad

sorrow (verb)	contriteness (verb)
feel grief