undue vs unhandsome

undue

adj
  • Not owing or payable. 

  • That which ought not to be done; illegal; unjustified. 

  • Excessive; going beyond that what is natural or sufficient. 

unhandsome

adj
  • Not handsome. 

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