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.