bump up vs inflate

bump up

verb
  • To increase something suddenly. 

  • To promote a person to a higher grade. 

  • To give a more prominent place to; to advance position in queue. 

inflate

verb
  • To swell; to puff up. 

  • To decompress (data) that was previously deflated. 

  • To enlarge an object by pushing air (or a gas) into it; to raise or expand abnormally 

  • To enlarge by filling with air (or a gas). 

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