circumcise vs circumcision

circumcise is not a noun while circumcision is a noun.

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

circumcise (noun)	circumcision (noun)
	the act of circumcising; surgical removal of the foreskin of males
	the act of circumcising performed on males eight days after birth as a Jewish and Muslim religious rite

circumcise (verb)	circumcision (verb)
cut the foreskin off male babies or teenage boys
cut the skin over the clitoris