contrition vs contriteness

contrition and contriteness both are nouns.

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

As nouns, contrition and contriteness are synonyms defined as:

contrition and contriteness: sorrow for sin arising from fear of damnation

Other synonyms of contrition include attrition.

contrition (noun)	contriteness (noun)
sorrow for sin arising from fear of damnation	sorrow for sin arising from fear of damnation