| growing concern | 43.32 | ...a growing concern for personal grooming. | ||
| major concern | 34.36 | Depth is a major concern. | ||
| main concern | 29.23 | Hardaway is the main concern. | ||
| serious concern | 21.92 | Viruses are a serious concern. | ||
| environmental concern | 21.13 | Environmental concerns could be an issue. | ||
| public concern | 20.54 | Not about matters of public concern. | ||
| particular concern | 20.41 | Nor is bathing a particular concern. | ||
| similar concern | 20.21 | Meehan had a similar concern. | ||
| biggest concern | 16.00 | My biggest concern? | ||
| deep concern | 15.01 | It is a matter of deep concern. | ||
| immediate concern | 14.81 | Her immediate concern? | ||
| lingering concern | 14.02 | But she said she had lingering concerns. | ||
| international concern | 13.50 | Also lingering were international concerns. | ||
| antitrust concern | 11.78 | Also, a look at any antitrust concerns. | ||
| primary concern | 11.72 | That was a primary concern. | ||
| great concern | 11.65 | The Clippers showed great concern. | ||
| renewed concern | 10.34 | The report renewed concern Japanese trade surplus will keep ballooning. | ||
| political concern | 10.27 | One was political concern over Juppe. | ||
| only concern | 9.94 | My only concern? | ||
| legitimate concern | 9.68 | It is a legitimate concern. |