dilettante vs unperfected

dilettante

adj
  • Pertaining to or like a dilettante. 

noun
  • An amateur, someone who dabbles in a field out of casual interest rather than as a profession or serious interest. 

  • A person with a general but superficial interest in any art or a branch of knowledge. 

unperfected

adj
  • Not perfected. 

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