| complicated issue | 6.71 | It becomes a complicated issue. | ||
| complicated process | 3.62 | It was a complicated process. | ||
| complicated system | 3.62 | Birds also have a complicated system of courtship. | ||
| complicated case | 3.55 | But it was a complicated case. | ||
| complicated matter | 3.23 | But buying it is a complicated matter. | ||
| complicated formula | 3.16 | It has a very complicated chemical formula. | ||
| complicated procedure | 3.16 | She said one reason could be the complicated procedure. | ||
| complicated relationship | 2.63 | It was a complicated relationship. | ||
| complicated problem | 2.50 | But it was a complicated problem. | ||
| complicated thing | 2.44 | How complicated things have grown. | ||
| complicated business | 2.24 | It is a complicated business. | ||
| complicated set | 2.11 | Bush has a complicated set of roles to play. | ||
| complicated task | 2.11 | Ross has a complicated task. | ||
| complicated question | 2.04 | Those are the complicated questions. | ||
| complicated situation | 2.04 | It was such a complicated situation. | ||
| complicated one | 1.97 | The matter is a complicated one. | ||
| complicated story | 1.84 | This is a complicated story. | ||
| complicated rule | 1.58 | Naturally, like most complicated rules, there is an asterisk. | ||
| complicated world | 1.45 | It is a complicated world and growing more so. | ||
| complicated deal | 1.38 | All this makes for one complicated deal. |