| COPROLOGIES | • COPROLOGY n. the study of pornography. |
| HOPLOLOGIES | • HOPLOLOGY n. the study of weapons. |
| HOPLOLOGIST | • hoplologist n. Someone who is an expert in weapons and armour (especially military uses or knowledge thereof). • HOPLOLOGIST n. a student of hoplology, the study of weapons. |
| OLIGOPOLIES | • oligopolies n. Plural of oligopoly. • OLIGOPOLY n. a market situation in which a few producers control the demand from a large number of buyers. |
| OLIGOPOLIST | • oligopolist n. A member of an oligopoly; one of a small number of sellers with undue influence over a market. |
| OPHIOLOGIES | • OPHIOLOGY n. the study of snakes. |
| OPHIOLOGIST | • ophiologist n. One who studies ophiology. • OPHIOLOGIST n. a student of ophiology. |
| OPTOLOGISTS | • optologists n. Plural of optologist. • OPTOLOGIST n. an optician. |
| PHONOLOGIES | • phonologies n. Plural of phonology. • PHONOLOGY n. the branch of linguistics that deals with systems of sounds. |
| PHONOLOGIST | • phonologist n. (Linguistics) A person who specializes in phonology, the functional use of sounds in language. • PHONOLOGIST n. a student of phonology, the branch of linguistics that deals with systems of sounds. |
| PODOLOGISTS | • podologists n. Plural of podologist. • PODOLOGIST n. one who practises podology, the study of the feet. |
| POENOLOGIES | • POENOLOGY n. the study of crime and punishment, also PENOLOGY. |
| POMOLOGISTS | • pomologists n. Plural of pomologist. • POMOLOGIST n. one versed in pomology; one who cultivates fruit trees. |
| POSOLOGICAL | • posological adj. (Pharmacy, pharmacology) Of or pertaining to posology. • POSOLOGICAL adj. related to posology, the branch of medicine that deals with dosages, also POSOLOGIC. |
| SPOROGONIAL | • sporogonial adj. Relating to the sporogonium. • SPOROGONIAL adj. of or like a sporogonium, an organ that produces asexual spores in mosses. |
| TOPOLOGISTS | • topologists n. Plural of topologist. • TOPOLOGIST n. one who studies topology. |
| TROPOLOGIES | • tropologies n. Plural of tropology. • TROPOLOGY n. the use of metaphors in writing or speaking. |