Question: what are words with the prefix cide?
Answer: Algicide: A substance for killing algae. Biocide: The destruction of life. Deicide: Killing of a god. Feticide: Destruction of a fetus. Filaricide: A substance for killing filariae. Filicide: Killing of one's child. Fratricide: Killing of one's brother. Fungicide: A substance for destroying fungus.