recidivist vs reversionist

recidivist and reversionist both are nouns.

Word	Noun	Adjective	Verb	Adverb
recidivist	Yes	No	No	No
reversionist	Yes	No	No	No

As nouns, recidivist and reversionist are synonyms defined as:

recidivist and reversionist: someone who lapses into previous undesirable patterns of behavior

Other synonyms of recidivist include backslider.

recidivist (noun)	reversionist (noun)
someone who lapses into previous undesirable patterns of behavior	someone who lapses into previous undesirable patterns of behavior
someone who is repeatedly arrested for criminal behavior (especially for the same criminal behavior)