ettle vs have a go

ettle

verb
  • To make attempt. 

  • To aim; purpose; intend; attempt; try. 

  • To take aim. 

  • To expect; reckon; count on. 

  • To direct one's course. 

  • To aspire; be ambitious. 

noun
  • Intention; intent; aim. 

have a go

verb
  • To make an attempt; to try. 

  • To tell off (especially unnecessarily or excessively), to criticise. 

  • To attack (physically). 

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