female circumcision vs excision

female circumcision and excision both are nouns.

Word	Noun	Adjective	Verb	Adverb
female circumcision	Yes	No	No	No
excision	Yes	No	No	No

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

Other hypernyms of female circumcision include ablation, cutting out, extirpation.

female circumcision (noun)	excision (noun)
excision of the clitoris	surgical removal of a body part or tissue
	the act of pulling up or out; uprooting; cutting off from existence
	the act of banishing a member of a church from the communion of believers and the privileges of the church; cutting a person off from a religious society
	the omission that is made when an editorial change shortens a written passage