escaping vs flitting

escaping

noun
  • The act of one who escapes; an escape. 

  • That which escapes or leaks out; an emission. 

flitting

noun
  • The act of moving from one residence to another; moving house. 

adj
  • Brief, likely to be of short duration. 

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