extirpative vs ruinous

extirpative

adj
  • Of, relating to, or pertaining to an extirpation. 

ruinous

adj
  • Characterized by ruin; ruined; dilapidated; as, an edifice, bridge, or wall in a ruinous state. 

  • Causing ruin; destructive, calamitous 

  • Extremely costly; so expensive as to cause financial ruin. 

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