bruise vs step on

bruise

verb
  • To harm or injure. 

  • To strike (a person), originally with something flat or heavy, but now specifically in such a way as to discolour the skin without breaking it. 

  • To become bruised. 

  • To fight with the fists; to box. 

  • To impair (gin) by shaking rather than stirring. 

  • To damage the skin of (fruit or vegetables), in an analogous way. 

  • Of fruit or vegetables, to gain bruises through being handled roughly. 

noun
  • A dark mark on fruit or vegetables caused by a blow to the surface. 

  • A purplish mark on the skin due to leakage of blood from capillaries under the surface that have been damaged by a blow. 

step on

verb
  • to adulterate a drug for the purpose of increasing its bulk, and therefore its profit; to dilute, cut. 

  • Used other than figuratively or idiomatically: see step, on. 

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