 |
| on- hook: 169 phrases in 29 subjects |
| American usage, not spelling | 1 |
| Automobiles | 2 |
| Chess | 1 |
| Communications | 1 |
| Drilling | 3 |
| Electronics | 3 |
| Firefighting and fire-control systems | 1 |
| Fishery fishing industry | 1 |
| General | 38 |
| Household appliances | 1 |
| Idiomatic | 2 |
| Informal | 11 |
| Information security and data protection | 2 |
| Judo | 1 |
| Makarov | 25 |
| Mass media | 4 |
| Nautical | 4 |
| Obsolete / dated | 3 |
| Oil and gas | 1 |
| Rail transport | 2 |
| Sakhalin | 3 |
| Security systems | 1 |
| Slang | 15 |
| Technology | 9 |
| Telecommunications | 23 |
| Telephony | 5 |
| Textile industry | 4 |
| Transport | 1 |
| Volleyball | 1 |