circumcision vs Berith

circumcision and Berith both are nouns.

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

As nouns, Berith is a hyponym of circumcision; that is, Berith is a word with a more specific, narrower meaning than circumcision:

circumcision: the act of circumcising performed on males eight days after birth as a Jewish and Muslim religious rite
Berith: the Jewish rite of circumcision performed on a male child on the eighth day of his life

Other hyponyms of circumcision include Berit, Bris, Briss, Brith.

circumcision (noun)	Berith (noun)
the act of circumcising; surgical removal of the foreskin of males	the Jewish rite of circumcision performed on a male child on the eighth day of his life
the act of circumcising performed on males eight days after birth as a Jewish and Muslim religious rite