recalcitrant vs servile

recalcitrant

adj
  • Not viable for an extended period; damaged by drying or freezing. 

  • Unwilling to cooperate socially. 

  • Difficult to deal with or to operate. 

  • Marked by a stubborn unwillingness to obey authority. 

noun
  • A person who is recalcitrant. 

servile

adj
  • Of or pertaining to a slave. 

  • Not belonging to the original root. 

  • Slavish or submissive. 

  • Not sounded, but serving to lengthen the preceding vowel, like the e in tune. 

noun
  • A slave; a menial. 

  • An element which forms no part of the original root. 

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