| Sentense | One Word | Hindi Meaning |
| A news article that reports the recent death of a person | Obituary | |
| Government by the populace | Ochlocracy | |
| The scientific study of the structure and diseases of teeth | Odontology | |
| A small group of people having control of a country or organization | Oligarchy | |
| A piece of enclosed land planted with fruit trees | Orchard |
