accessible vs impassable

accessible

adj
  • Easily understood or appreciated. 

  • Capable of being used or seen. 

  • Easy to get along with. 

  • Open to the influence of. 

  • Obtainable; to be got at. 

  • Built or designed as to be usable by people with disabilities. 

  • Easy of access or approach. 

impassable

adj
  • Incapable of being overcome or surmounted. 

  • Not usable as legal tender. 

  • Incapable of being passed over, crossed, or negotiated. 

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