| CHRONOLOGIST | • chronologist n. A person skilled in chronology. • CHRONOLOGIST n. an expert in chronology, also CHRONOLOGER. |
| DEMONOLOGIST | • demonologist n. An expert in the study of demonology. • DEMONOLOGIST n. a student of demonology. |
| ETHNOLOGISTS | • ethnologists n. Plural of ethnologist. • ETHNOLOGIST n. a student of ethnology. |
| HYMNOLOGISTS | • hymnologists n. Plural of hymnologist. • HYMNOLOGIST n. a student of hymnology. |
| HYPNOLOGISTS | • hypnologists n. Plural of hypnologist. • HYPNOLOGIST n. one who studies sleep. |
| ICONOLOGISTS | • iconologists n. Plural of iconologist. • ICONOLOGIST n. a student of iconology. |
| IMMUNOLOGIST | • immunologist n. A person who studies or practices medicine in the area of immunology. • IMMUNOLOGIST n. a practitioner of immunology. |
| LIMNOLOGISTS | • limnologists n. Plural of limnologist. • LIMNOLOGIST n. one who studies limnology, the study of bodies of fresh water. |
| OCEANOLOGIST | • oceanologist n. One who studies oceanology. • OCEANOLOGIST n. a student of oceanology. |
| ORGANOLOGIST | • organologist n. One who studies organology. • ORGANOLOGIST n. a specialist in organology. |
| PALYNOLOGIST | • palynologist n. One who studies palynology (pollen, spores, and other particulate organic matter). • PALYNOLOGIST n. a student of palynology. |
| PHENOLOGISTS | • phenologists n. Plural of phenologist. • PHENOLOGIST n. a student of phenology. |
| PHONOLOGISTS | • phonologists n. Plural of phonologist. • PHONOLOGIST n. a student of phonology, the branch of linguistics that deals with systems of sounds. |
| PHRENOLOGIST | • phrenologist n. An adherent or practitioner of phrenology. • PHRENOLOGIST n. a practitioner of phrenology. |
| RHINOLOGISTS | • rhinologists n. Plural of rhinologist. • RHINOLOGIST n. a student of rhinology, the study of the nose. |
| SELENOLOGIST | • selenologist n. A person skilled or involved in selenology. • SELENOLOGIST n. one who studies the moon. |
| TECHNOLOGIST | • technologist n. A scientist or an engineer who specializes in a particular technology, or who uses technology in a particular field. • TECHNOLOGIST n. one versed in technology. |
| URBANOLOGIST | • urbanologist n. A sociologist who studies the problems of living in cities and towns. • URBANOLOGIST n. one who studies towns. |