make sterile

cleanse disinfect fumigate sanitize sterilize

purify wash

antiseptize

dirty

castrate neuter

alter antisepticize autoclave change clean decontaminate desexualize disinfect emasculate fix fumigate geld incapacitate pasteurize purify sanitize unsex

adulterate aid assist continue corrupt dirty help keep pollute remain

castrate decontaminate disinfect neuter pasteurize sanitize spay

alter antisepticize autoclave change clean desexualize emasculate fix fumigate incapacitate purify

adulterate aid assist continue corrupt dirty help keep remain

alter antisepticize autoclave castrate change clean decontaminate desexualize disinfect emasculate fix fumigate geld incapacitate neuter pasteurize purify sanitize spay

adulterate aid assist continue corrupt dirty help keep pollute remain