bloat vs graffiti

bloat

verb
  • To fill with vanity or conceit. 

  • To get an overdistended rumen, talking of a ruminant. 

  • To fill soft substance with gas, water, etc.; to cause to swell. 

  • To preserve by slightly salting and lightly smoking. 

  • To cause to become distended. 

  • To become distended; to swell up. 

  • To increase to an excessive amount. 

noun
  • Pathological overdistention of rumen with gas in a ruminant. 

  • Distention of the abdomen from death. 

  • Wasteful use of space or other resources. 

graffiti

verb
  • To mark a surface with such images. 

noun
  • Drawings or words drawn on a surface in a public place, usually made without authorization. 

  • Informal inscriptions, figure drawings, etc., as opposed to official inscriptions. 

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