studio vs studio flat

studio

noun
  • A studio apartment. 

  • An artist’s or photographer’s workshop or the room in which an artist works. 

  • An establishment where an art is taught. 

  • A place where radio or television programs, records or films are made. 

  • A company or organization that makes films, records or other artistic works. 

studio flat

noun
  • studio apartment 

  • Hollywood flat 

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