| natural cause | 27.12 | It died of natural causes. | ||
| leading cause | 25.48 | Football is a leading cause. | ||
| possible cause | 22.91 | Perry cites three possible causes. | ||
| exact cause | 19.68 | Its exact causes are unclear. | ||
| main cause | 19.42 | Water is the main cause of emergency. | ||
| common cause | 18.63 | It becomes a common cause. | ||
| major cause | 18.30 | A major cause is low water rates. | ||
| good cause | 15.14 | Both good causes. | ||
| palestinian cause | 13.17 | Violence hurts the Palestinian cause. | ||
| likely cause | 12.97 | Police said a bomb was the most likely cause. | ||
| underlying cause | 8.76 | Treatment depends on the underlying cause. | ||
| worthy cause | 6.78 | And a worthy cause that is. | ||
| primary cause | 6.65 | The primary cause? | ||
| political cause | 5.53 | Kim was active in political causes. | ||
| charitable cause | 5.33 | They give money to charitable causes. | ||
| environmental cause | 5.20 | Environmental causes are widely promoted. | ||
| social cause | 5.13 | Zogbyhimself to social causes. | ||
| whatever cause | 4.41 | Whatever the cause, the trend is clear. | ||
| liberal cause | 4.34 | Is Kosovo a liberal cause? | ||
| single cause | 4.34 | It has no single cause. |