gratuitous vs indiscriminative

gratuitous

adj
  • Unjustified or unnecessary; not called for by the circumstances. 

  • Given freely; unearned. 

indiscriminative

adj
  • Making no distinction; not discriminating; indiscriminate. 

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