abysmally vs carelessly

abysmally

adv
  • Very; incredibly; profoundly; to an extreme degree; dreadfully. 

carelessly

adv
  • Giving the appearance of carelessness; relaxedly. 

  • Done without care or attention; inattentively. 

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