| letter writer | 8.23 | Letter writers. | ||
| letter writing | 2.83 | Ms. Giglio began her letter writing. | ||
| letter grade | 1.97 | The letter grades are fine. | ||
| letter box | 1.65 | Newspapers stuck in the letter box. | ||
| letter opener | 1.65 | Everybody has a letter opener. | ||
| letter home | 1.32 | But they can send a letter home sending her home. | ||
| letter jacket | 0.86 | They wear letter jackets. | ||
| letter column | 0.79 | The letters column is truly reader-friendly. | ||
| letter word | 0.66 | I Keep getting those letter words. | ||
| letter attack | 0.53 | Greendale School was the phony return address used in the anthrax letter attacks. | ||
| letter combination | 0.53 | Sayre used di-gram and tri-gram statistics to rule out implausible letter string combinations. | ||
| letter form | 0.53 | The Color Purple is written in letter form. | ||
| letter campaign | 0.46 | Letter campaigns work, but not often. | ||
| letter page | 0.46 | Encourage a feisty letters page. | ||
| letter saying | 0.46 | He left a letter saying he had nothing to eat and was too proud to beg. | ||
| letter sweater | 0.46 | Letter sweaters. | ||
| letter delivery | 0.39 | Norton said Securicor would focus on business-to-business service if letter delivery was deregulated. | ||
| letter bombing | 0.33 | Last year, there were several letter bombings in southern Vietnam. | ||
| letter detector | 0.33 | The letter detectors in turn excite detectors for consistent words. | ||
| letter public | 0.33 | Kaiser made its letter public yesterday in what analysts said was a bid to stir up support from Alumax investors. |