Nouns

(n)eunuch, castratea man who has been castrated and is incapable of reproduction“eunuchs guarded the harem”

Verbs

(v)emasculate, castratedeprive of strength or vigor“The Senate emasculated the law”
(v)bowdlerize, bowdlerise, expurgate, castrate, shortenedit by omitting or modifying parts considered indelicate“bowdlerize a novel”
(v)emasculate, castrate, demasculinize, demasculiniseremove the testicles of a male animal
(v)alter, neuter, spay, castrateremove the ovaries of“Is your cat spayed?”