rankling vs vexatious

rankling

noun
  • A sensation that rankles. 

vexatious

adj
  • In the habit of starting vexatious litigation and therefore liable to have restraints placed on one's ability to access the courts. 

  • Causing vexation or annoyance; teasing; troublesome. 

  • Commenced for the purpose of giving trouble, without due cause. 

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