leniency vs lenity

leniency and lenity both are nouns.

Word	Noun	Adjective	Verb	Adverb
leniency	Yes	No	No	No
lenity	Yes	No	No	No

As nouns, leniency and lenity are synonyms defined as:

leniency and lenity: mercifulness as a consequence of being lenient or tolerant

Other synonyms of leniency include lenience, mildness.

leniency (noun)	lenity (noun)
lightening a penalty or excusing from a chore by judges or parents or teachers	mercifulness as a consequence of being lenient or tolerant
mercifulness as a consequence of being lenient or tolerant
a disposition to yield to the wishes of someone