parvenu vs would-be

parvenu

noun
  • A person who has risen, climbed up, or has been promoted to a higher social class, especially through acquisition of wealth, privileges, or political authority but has not gained social acceptance by those within that new class. 

adj
  • Being a parvenu; also, like, having the characteristics of, or associated with a parvenu. 

would-be

noun
  • One who aspires to something. 

  • One's fiancé or fiancée. 

adj
  • Attempting or desiring something. 

  • Unfulfilled; frustrated in realizing a goal, ambition, etc. 

How often have the words parvenu and would-be occurred in a corpus of books? (source: Google Ngram Viewer )