harvest vs reap

harvest

verb
  • To be occupied bringing in a harvest 

  • To win, achieve a gain. 

  • To bring in a harvest; reap; glean. 

  • To kill for meat, slaughter. 

noun
  • A modern pagan ceremony held on or around the autumn equinox, which is in the harvesting season. 

  • The season of gathering ripened crops; specifically, the time of reaping and gathering grain. 

  • This year's cotton harvest was great but the corn harvest was disastrous. 

  • The product or result of any exertion or course of action; reward or consequences. 

  • The process of gathering the ripened crop; harvesting. 

  • The third season of the year; autumn; fall. 

  • The yield of harvesting, i.e., the gathered crops or fruits. 

reap

verb
  • To gather (e.g. a harvest) by cutting. 

  • To terminate a child process that has previously exited, thereby removing it from the process table. 

  • To obtain or receive as a reward, in a good or a bad sense. 

  • To cut (for example a grain) with a sickle, scythe, or reaping machine 

noun
  • A bundle of grain; a handful of grain laid down by the reaper as it is cut. 

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