errorous vs irreconcilable

errorous

adj

  • Synonym of erroneous 

irreconcilable

adj

  • Incompatible, discrepant, contradictory. 

  • Unable to be reconciled; opposed; uncompromising. 

noun

  • Something that cannot be reconciled. 

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