| observation(noun, activity, act, process, search) |
| inspection(noun, activity, act, process, search) |
| examination(noun, activity, act, process, search) |
| research(noun, activity, act, process, search) |
| search(noun, activity, act, process, service) |
| army(noun, force, troop, military) |
| investigation(noun, search, service, survey, exploration) |
| military(noun, scope, sphere, domain, force) |
| attention(noun, search, service, survey, exploration) |
| check(noun, search, service, survey, exploration) |
| consideration(noun, search, service, survey, exploration) |
| detection(noun, search, service, survey, exploration) |
| estimation(noun, search, service, survey, exploration) |
| information(noun, search, service, survey, exploration) |
| measurement(noun, search, service, survey, exploration) |
| monitoring(noun, search, service, survey, exploration) |
| probe(noun, search, service, survey, exploration) |
| scrutiny(noun, search, service, survey, exploration) |
| study(noun, search, service, survey, exploration) |
| surveying(noun, scope, sphere, domain, activity) |