record vs write down

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. 

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. 

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

write down

verb
  • To produce or set (something) down in writing; to record something. 

  • Used other than figuratively or idiomatically: see write, down. 

  • To write (something) in a simple or condescending style. 

  • To make a downward adjustment in the value of an asset. 

  • To condemn in writing; to document the faults, offenses, or wrongdoing of. 

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