malapropos vs unappropriate

malapropos

adj

  • out of place; inappropriate 

adv

  • out of place; inappropriately 

unappropriate

adj

  • Inappropriate; unsuitable. 

verb

  • To take from private possession; to restore to the possession or right of all. 

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