step on it vs whiz

step on it

verb
  • To act quickly. 

  • To drive fast; to step on the accelerator. 

whiz

verb
  • To rush or move swiftly with such a sound. 

  • To urinate. 

  • To make a whirring or hissing sound, similar to that of an object speeding through the air. 

  • To throw or spin rapidly. 

noun
  • Pickpocketing. 

  • An act of urination. 

  • Amphetamine. 

  • A whirring or hissing sound (as above). 

  • Someone who is remarkably skilled at something. 

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