insignificant vs notable

insignificant

adj
  • Not significant; not important, inconsequential, or having no noticeable effect. 

  • Without meaning; not signifying anything. 

notable

adj
  • Easily noted (without connotations of value); clearly noticeable, conspicuous. 

  • Worthy of note; remarkable; memorable; noted or distinguished. 

  • That can be observed; perceptible. 

noun
  • A person or thing of distinction. 

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