roughly vs safely

roughly

adv
  • Unevenly or irregularly. 

  • Without precision or exactness; imprecisely but close to in quantity or amount; approximately. 

  • In a rough manner; without kindness, softness, or gentleness. 

safely

adv
  • In a safe manner; without risk; using caution above all else. 

  • In a secure manner; without the possibility of injury or harm resulting. 

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