memory vs vestige

memory

noun
  • Which returns to its original shape when heated 

  • A term of venery for a social group of elephants, normally called a herd. 

  • The ability of the brain to record information or impressions with the facility of recalling them later at will. 

  • The time within which past events can be or are remembered. 

  • A record of a thing or an event stored and available for later use by the organism. 

  • The part of a computer that stores variable executable code or data (RAM) or unalterable executable code or default data (ROM). 

  • Synonym of pelmanism (“memory card game”). 

vestige

noun
  • A mark left on the earth by a foot. 

  • A faint mark or visible sign left by something which is lost, or has perished, or is no longer present. 

  • A vestigial organ; a non-functional organ or body part that was once functional in an evolutionary ancestor. 

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