| Sororicide (n.) The murder of one's sister; also, one who murders or kills one's own sister. Thesaurus Entries aborticide, fungicide, genocide, germicide, herbicide, homicide, infanticide, insecticide, matricide, microbicide, parricide, patricide, pesticide, regicide, rodenticide, sororicide, suicide, uxoricide, vermicide | ![]() |