reversion vs recidivism

reversion and recidivism both are nouns.

Word	Noun	Adjective	Verb	Adverb
reversion	Yes	No	No	No
recidivism	Yes	No	No	No

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

reversion (noun)	recidivism (noun)
a failure to maintain a higher state	habitual relapse into crime
turning in the opposite direction
returning to a former state
(genetics) a return to a normal phenotype (usually resulting from a second mutation)
a reappearance of an earlier characteristic
(law) an interest in an estate that reverts to the grantor (or his heirs) at the end of some period (e.g., the death of the grantee)