undesirable vs unmarriageable

undesirable

adj
  • objectionable or not likely to please 

noun
  • An undesirable person. 

unmarriageable

adj
  • Not marriageable, unsuitable for marriage. 

  • That cannot be reconciled, inconsistent. 

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