ne'er-do-well vs unnoble

ne'er-do-well

adj
  • Showing the characteristics of a ne'er-do-well: indolent, worthless, or roguish. 

noun
  • A person without a means of support; an idle, worthless person; a loafer; a person who is ineffectual, unsuccessful, or completely lacking in merit; a good-for-nothing. 

  • A person who is up to no good; a rogue. 

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 ne'er-do-well and unnoble occurred in a corpus of books? (source: Google Ngram Viewer )