aborted vs luckless

aborted

adj
  • Brought forth prematurely. 

  • Rendered abortive or sterile; undeveloped. 

  • Checked in normal development at an early stage. 

luckless

adj
  • Without luck. 

  • Unsuccessful, in a failing manner. 

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