catharsis vs abreaction

catharsis and abreaction both are nouns.

Word	Noun	Adjective	Verb	Adverb
catharsis	Yes	No	No	No
abreaction	Yes	No	No	No

As nouns, catharsis and abreaction are synonyms defined as:

catharsis and abreaction: (psychoanalysis) purging of emotional tensions

Other synonyms of catharsis include katharsis.

catharsis (noun)	abreaction (noun)
(psychoanalysis) purging of emotional tensions	(psychoanalysis) purging of emotional tensions
purging the body by the use of a cathartic to stimulate evacuation of the bowels