foolhardy vs ill-thought-out

foolhardy

adj

  • Marked by unthinking recklessness with disregard for danger; boldly rash; hotheaded. 

noun

  • A person who is foolhardy. 

ill-thought-out

adj

  • Not considered carefully enough. 

How often have the words foolhardy and ill-thought-out occurred in a corpus of books? (source: Google Ngram Viewer )