letter vs record

letter

verb
  • To print, inscribe, or paint letters on something. 

  • To earn a varsity letter (award). 

noun
  • A size of paper, 215 mm × 280 mm. 

  • Literature. 

  • A size of paper, 8½ in × 11 in (215.9 mm × 279.4 mm, US paper sizes rounded to the nearest 5 mm). 

  • A symbol in an alphabet. 

  • A division unit of a piece of law marked by a letter of the alphabet. 

  • One who lets, or lets out. 

  • The literal meaning of something, as distinguished from its intended and remoter meaning (the spirit). 

  • A written or printed communication, generally longer and more formal than a note. 

record

verb
  • To make an audio or video recording of. 

  • To fix in a medium, usually in a tangible medium. 

  • To give legal status to by making an official public record. 

  • To make a record of information. 

  • To make an audio, video, or multimedia recording. 

adj
  • Enough to break previous records and set a new one; world-class; extreme. 

noun
  • The most extreme known value of some variable, particularly that of an achievement in competitive events. 

  • A set of data relating to a single individual or item. 

  • An item of information put into a temporary or permanent physical medium. 

  • A data structure similar to a struct, in some programming languages such as C and Java based on classes and designed for storing immutable data. 

  • Any instance of a physical medium on which information was put for the purpose of preserving it and making it available for future reference. 

How often have the words letter and record occurred in a corpus of books? (source: Google Ngram Viewer )