unman vs unsettle

unman

verb
  • To deprive of men. 

  • To sap (a person) of the strength, whether physical or emotional, required to deal with a situation. 

unsettle

verb
  • To bring into disorder or disarray 

  • To make upset or uncomfortable 

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