carelessly vs deeply

carelessly

adv
  • Giving the appearance of carelessness; relaxedly. 

  • Done without care or attention; inattentively. 

deeply

adv
  • In a profound, not superficial, manner. 

  • Richly. 

  • So as to extend far down or far into something. 

  • To a deep extent or degree; very greatly. 

  • At depth. 

  • In large volume. 

  • Soundly; so as to be hard to rouse. 

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