two-bit vs valuable

two-bit

adj
  • costing 25 cents 

  • insignificant or worthless 

valuable

adj
  • Having a great value. 

  • Estimable; deserving esteem. 

noun
  • A personal possession such as jewellery, of relatively great monetary value. 

How often have the words two-bit and valuable occurred in a corpus of books? (source: Google Ngram Viewer )