professed vs soi-disant

professed

adj

  • Openly declared or acknowledged. 

  • Admitted to a religious order. 

  • Professing to be qualified. 

soi-disant

adj

  • Self-styled; self-proclaimed. 

adv

  • supposedly 

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