insignificant vs overriding

insignificant

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

  • Without meaning; not signifying anything. 

overriding

adj
  • Superior, of supreme importance in the case. 

noun
  • The act or process by which something is overridden. 

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