| Rating | Solver | Clue |
|---|---|---|
| PROBES | Investigates | |
| RESEARCHES | Investigates | |
| ETHNOGRAPHER | One who investigates ethnography. | |
| ETYMOLOGIST | One who investigates the derivation of words. | |
| CHOROGRAPHER | A geographical antiquary; one who investigates the locality of ancient places. | |
| CLIMATOLOGY | The science which treats of climates and investigates their phenomena and causes. | |
| CHRONOLOGER | A person who investigates dates of events and transactions; one skilled in chronology. | |
| PETROGRAPHY | The scientific description of rocks; that department of science which investigates the constitution of rocks; petrology. | |
| SPECTROSCOPIST | One who investigates by means of a spectroscope; one skilled in the use of the spectroscope. | |
| ONTOLOGY | That department of the science of metaphysics which investigates and explains the nature and essential properties and relations of all beings, ... | |
| GEOMETRY | That branch of mathematics which investigates the relations, properties, and measurement of solids, surfaces, lines, and angles; the science wh... | |
| EXARCH | ...puty of the patriarch , who visits the clergy, investigates ecclesiastical cases, etc. ... | |