irreclaimable vs unundoable

irreclaimable

adj

  • Incapable of being reclaimed; not reclaimable. 

  • Unredeemable. 

unundoable

adj

  • Not undoable; unable to be undone. 

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