milquetoast vs unnoble

milquetoast

adj
  • Meek, timid; lacking character or effectiveness. 

noun
  • A person of meek or timid disposition; a person who lacks character or effectiveness. 

unnoble

adj
  • Not noble; ignoble; base. 

  • Of a metal, being at the lower end of the electrochemical series, i.e. oxidising readily. 

verb
  • To make (someone or something) no longer noble 

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