lost vs suicidal

lost

adj
  • Ruined or destroyed, either physically or morally; past help or hope. 

  • Parted with; no longer held or possessed. 

  • In an unknown location; unable to be found. 

  • Not perceptible to the senses; no longer visible. 

  • Not employed or enjoyed; thrown away; employed ineffectually; wasted; squandered. 

  • Hardened beyond sensibility or recovery; alienated; insensible. 

  • Having wandered from, or unable to find, the way. 

  • Occupied with, or under the influence of, something, so as not to notice external things. 

suicidal

adj
  • Likely to commit, or to attempt to commit, suicide. 

  • Extremely reckless. 

  • Highly likely to certain to result in the deaths of the participants; dangerous or reckless to such a degree as to be tantamount to suicide for those taking part. 

  • Pertaining to suicide. 

noun
  • Someone suicidal; someone likely to kill themselves. 

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