soi-disant vs wannabe

soi-disant

adv
  • supposedly 

adj
  • Self-styled; self-proclaimed. 

wannabe

noun
  • Someone who wishes to be or do something, but lacks the qualifications or talent; an overeager amateur; an aspirant. 

  • Someone who wishes to be part of, or to assimilate to, a majority group of which they are not a member. 

How often have the words soi-disant and wannabe occurred in a corpus of books? (source: Google Ngram Viewer )