irrecoverable vs recoverable

irrecoverable

adj
  • That cannot be recovered from or made good; irremediable. 

  • Not recoverable; incapable of being recovered. 

recoverable

adj
  • Capable of being regained or recovered. 

  • Restorable from sickness, faintness, danger, etc. 

  • Capable of being brought back to a former condition, or recovered from. 

  • Obtainable from a debtor or possessor 

noun
  • Amounts of reinsurance coverage that are due from a reinsurer. 

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