circumcision vs abscission

circumcision and abscission both are nouns.

Word	Noun	Adjective	Verb	Adverb
circumcision	Yes	No	No	No
abscission	Yes	No	No	No

As nouns, abscission is a hypernym of circumcision; that is, abscission is a word with a broader meaning than circumcision:

circumcision: the act of circumcising; surgical removal of the foreskin of males
abscission: the act of cutting something off

Other hypernyms of circumcision include cutting off.

circumcision (noun)	abscission (noun)
the act of circumcising; surgical removal of the foreskin of males	the act of cutting something off
the act of circumcising performed on males eight days after birth as a Jewish and Muslim religious rite	shedding of flowers and leaves and fruit following formation of scar tissue in a plant