 |
| Subject | English | Russian |
| gen. | member of the Cheka | чекист |
| gen. | the All-Russian Extraordinary Commission for Combating Counter-Revolution, Speculation, and Sabotage, also known as the Cheka | Всероссийская Чрезвычайная Комиссия по Борьбе с Контрреволюцией, Спекуляцией и Саботажем (Matrena) |
| gen. | the All-Russian Extraordinary Commission for Combating Counter-Revolution, Speculation, and Sabotage, also known as the Cheka | ВЧК (Matrena) |
| abbr. | the Cheka | Чека (Чека́, ЧеКа́; indecl; Чрезвычайная Комиссия по борьбе с контрреволюцией, саботажем и спекуляцией; Soviet secret police, 1918-1922) |
| inf. | the Cheka | чрезвычайка |