| incidental(adjective, casual, irregular, minor, subordinate) |
| supplemental(adjective, extraordinary, new, spare, fresh) |
| coincident(adjective, extra, joint, subordinate, contemporary) |
| dependent(adjective, low, determined, secondary, indirect) |
| indirect(adjective, inferior, minor, subordinate, secondary) |
| side(noun, adjective, minor, secondary, indirect) |
| official(adjective, service, duty, on-duty) |
| concomitant(adjective, casual, irregular, extra, subordinate) |
| duty(adjective, service, official, on-duty) |
| incident(noun, adjective, extra, joint, subordinate) |
| on-duty(adjective, service, duty, official) |
| service(adjective, duty, official, on-duty) |
| surplus(adjective, extraordinary, new, spare, fresh) |
| adventitious(adjective, extra, surplus, additional, plus) |
| attending(adjective, extra, supplementary) |
| minor(adjective, low, inferior, useful, helpful) |
| participative |
| plus(adjective, extraordinary, new, spare, fresh) |
| satellite(noun, adjective, subject, extra, contemporary) |
| accompanying(adjective, extra, contemporary, secondary, indirect) |