Defence
| Security
| Command
| defence | |
| law abbr. | def. |
| security | |
| mil. abbr. | scty; sec; secy; sy |
| Command | |
| gen. | Control and Communications |
| abbr. file.ext. | .com; .cmd |
| command | |
| abbr. | com |
| mil. | control and communications system; control and identification |
| mil. abbr. | cmd; comd |
| tech. abbr. | cd |
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| def. | |||
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Defence : 5 phrases in 2 subjects |
| Abbreviation | 4 |
| Energy industry | 1 |