concede vs spit out

concede

verb
  • To admit or agree to be true; to acknowledge. 

  • To yield or suffer; to surrender; to grant 

  • To yield or make concession. 

  • (of a bowler) to have runs scored off of one's bowling. 

  • To grant, as a right or privilege; to make concession of. 

  • To have a goal or point scored against 

spit out

verb
  • To say reluctantly (see also spit it out). 

  • To rap; to repeat verses passionately or intensely. 

  • To say scornfully. 

  • To eject. 

  • Used other than figuratively or idiomatically: see spit, out. 

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