dilettante vs rookie

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. 

adj
  • Pertaining to or like a dilettante. 

rookie

noun
  • An inexperienced recruit, especially in the police or armed forces. 

  • A type of firecracker, used by farmers to scare rooks. 

  • A novice. 

  • An athlete either new to the sport or to a team or in his first year of professional competition, especially said of baseball, basketball, hockey and American football players. 

adj
  • non-professional; amateur 

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