athlete vs miler

athlete

noun
  • A participant in a group of sporting activities which includes track and field, road running, cross country running and racewalking. 

  • An exceptionally physically fit person. 

  • A person who actively participates in physical sports, especially with great skill; a sportsperson. 

  • She's the first athlete in her sport to obtain a corporate sponsor. 

miler

noun
  • An athlete or a horse who specializes in running races of one mile, or a specified number of miles. 

  • A race whose length is the specified number of miles. 

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