insignificant vs pitiful

insignificant

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

  • Without meaning; not signifying anything. 

pitiful

adj
  • Of an amount or number: very small. 

  • So appalling or sad that one feels or should feel sorry for it; eliciting pity. 

adv
  • In a pitiful manner; pitifully; piteously; pathetically. 

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