invulnerable vs irreclaimable

invulnerable

adj

  • Unanswerable; irrefutable. 

  • Incapable of being injured; not vulnerable. 

irreclaimable

adj

  • Unredeemable. 

  • Incapable of being reclaimed; not reclaimable. 

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