Vermin – AKA Rat, Rhodent, Pests, Parasites, Plague Etc. Ology is a suffix (end part of a word) which means a science or study of.  Vermin is a pest, parasite etc.  Verminology, is therefore the study of pests and parasites.  A pest is something that annoys, causes inconvenience, disturbs one’s comfort etc.  A parasite is […]