| logistical nightmare | 5.53 | It is a logistical nightmare. | ||
| worst nightmare | 5.07 | Her worst nightmare? | ||
| recurring nightmare | 3.03 | Dave Hickey has a recurring nightmare. | ||
| bureaucratic nightmare | 2.11 | Getting there however, is going to be a bureaucratic nightmare. | ||
| administrative nightmare | 1.25 | In reality it would be an administrative nightmare. | ||
| potential nightmare | 1.18 | This is a potential nightmare. | ||
| national nightmare | 1.05 | The long national nightmare was short. | ||
| long nightmare | 0.92 | Our long nightmare is over. | ||
| american nightmare | 0.79 | It is an American nightmare. | ||
| recurrent nightmare | 0.79 | Had recurrent nightmares about being naked in public. | ||
| environmental nightmare | 0.72 | In short, a catalogue of environmental nightmares. | ||
| political nightmare | 0.72 | We were used as pawns in some political nightmare. | ||
| ultimate nightmare | 0.72 | It is the ultimate nightmare. | ||
| living nightmare | 0.66 | A proud new father and a living nightmare for defences. | ||
| personal nightmare | 0.59 | His personal nightmare began when he was arrested for murder. | ||
| real nightmare | 0.59 | Real nightmare? | ||
| such nightmare | 0.53 | That, of course, is what makes the World Trade Center attack such a nightmare. | ||
| urban nightmare | 0.53 | Surely this is the stuff of urban nightmares. | ||
| daily nightmare | 0.46 | It was a daily nightmare. | ||
| economic nightmare | 0.46 | The end of the economic nightmare is still nowhere in sight. |