sterilisation, disinfection, castration, eugenics, spay, vasectomy, isotron, incineration, speculums, euthanasia, impregnation, neutering, demineralization, steriliser, antisepsis, artificial insemination, prefrontal lobotomy, pasteurisation, insemination, pasteurization, autoclave, tubal ligation, purification, decontamination, irradiation, recirculation, ionisation, pessaries, disinfestation, sanitization, contraceptive, culling, ozonation, feebleminded, extermination, gynaecologic, chlorination, thoracentesis, fluoridation, stds, circumcisions, epilation, anesthesia, ultrasound, gavage, cloning, diathermy, infertility, paracentesis, electrolysis, disinfector, vaccination, hysteroscopy, endoscopy, nitriding, deodorization, ventouse, topical anesthesia, radical hysterectomy, keratoplasty, vaporisation, abortions, hysterectomy, aversive conditioning, oestrus, procedure, sanitary, canalisation, dishwashing machine, spermicides, decortication, electrosurgery, labioplasty, cautery, implantation, vivisection, microdissection, lavage, dehorning, curettage, anthelmintic, inoculation, sterility, ultrasonography, cremation, reproductive, ionization, infanticide, filaria, gastroscopy, dialyses, implants, surrogate motherhood, depopulation, episiotomy, lincomycin, cleansing, diethyl ether, continence, dialyzer, coccidiosis, germicide, evacuation, curing, drying, neutralization, removal, eradication, equilibration, immobilization, rinsing, sealing, wetting, acclimatization, amalgamation

altering, fixing, neutering, pasteurization

altering, castration, fixing, natural family planning, neutering, pasteurisation, pasteurization, surgical contraception, tubal ligation, vasectomy

change of state, cleaning, cleansing, cleanup

sterilisation, sterilsation