| mezzo-soprano(noun, famous, female) |
| mobile phone(noun, technology, entity, waste, pollution) |
| model(noun, famous, female) |
| movie queen(noun, famous, female) |
| musician(noun, famous, female) |
| nickel(noun, technology, entity, waste, pollution) |
| nightingale(noun, famous, female) |
| office electronic equipment(noun, technology, entity, waste, pollution) |
| old satellite(noun, technology, entity, waste, pollution) |
| opera(noun, famous, female) |
| opera singer(noun, famous, female) |
| opera star(noun, famous, female) |
| operatic(noun, famous, female) |
| operatic star(noun, famous, female) |
| operational satellite(noun, technology, entity, waste, pollution) |
| orbital debris co-ordination working group(noun, technology, entity, waste, pollution) |
| orbital debris remove(noun, technology, entity, waste, pollution) |
| perfluorooctanoic acid(noun, technology, entity, waste, pollution) |
| personage(noun, famous, female) |
| planetary protection(noun, technology, entity, waste, pollution) |