inharmonic vs irreconcilable

inharmonic

adj

  • Lacking harmony; discordant; dissonant 

irreconcilable

adj

  • Unable to be reconciled; opposed; uncompromising. 

  • Incompatible, discrepant, contradictory. 

noun

  • Something that cannot be reconciled. 

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