abolition vs abolishment

abolition and abolishment both are nouns.

Word	Noun	Adjective	Verb	Adverb
abolition	Yes	No	No	No
abolishment	Yes	No	No	No

As nouns, abolition and abolishment are synonyms defined as:

abolition and abolishment: the act of abolishing a system or practice or institution (especially abolishing slavery)

abolition (noun)	abolishment (noun)
the act of abolishing a system or practice or institution (especially abolishing slavery)	the act of abolishing a system or practice or institution (especially abolishing slavery)