| principal owner | 7.90 | Even by his principal owner. | ||
| principal payment | 4.21 | The moratorium covers principal payments only. | ||
| principal source | 4.08 | Principal source of the Jordan river. | ||
| principal reason | 3.75 | Computers are a principal reason. | ||
| principal character | 3.16 | The principal characters return for both teams. | ||
| principal investigator | 2.90 | Crystal is principal investigator of the study. | ||
| principal guest | 2.76 | He is now its principal guest conductor. | ||
| principal cause | 2.57 | However it is also the principal cause of their weaknesses. | ||
| principal dancer | 2.57 | Weese and Whelan are City Ballet principal dancers. | ||
| principal author | 2.30 | Claudio is the principal author of the report. | ||
| principal role | 1.97 | Maher brings credibility to the principal role. | ||
| principal rival | 1.91 | By comparison, his principal rival gets trashed. | ||
| principal sponsor | 1.91 | Its principal sponsors are Michael and Judy Ovitz. | ||
| principal goal | 1.84 | Radius said the framework had two principal goals. | ||
| principal target | 1.78 | A weakened Bob Dole was the principal target. | ||
| principal adviser | 1.71 | George A. Miller, principal adviser. | ||
| principal architect | 1.65 | Summers served as the principal architect of the bailout. | ||
| principal conductor | 1.65 | Hugo Fiorato will remain principal conductor. | ||
| principal player | 1.65 | Not surprisingly, Microsoft is a principal player. | ||
| principal problem | 1.65 | Which is its principal problem. |