plucky vs ungentlemanly

plucky

adj
  • Having or showing pluck, courage or spirit in trying circumstances. 

ungentlemanly

adj
  • Not gentlemanly; not adhering to the high moral standards expected of a gentleman; impolite, unchivalrous, or indecent. 

adv
  • In a manner not befitting a gentleman. 

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