negligible vs valuable

negligible

adj
  • Able to be neglected, ignored or excluded from consideration; too small or unimportant to be of concern. 

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 negligible and valuable occurred in a corpus of books? (source: Google Ngram Viewer )