il- vs mal-

il-

prefix
  • not; a form of the prefix in-, used before l 

mal-

prefix
  • not 

  • incorrect 

  • incomplete, unfinished 

  • unintentional, mistaken, accidental 

  • unpleasant 

  • poorly, deficiently 

  • unhealthy, harmful 

  • evil 

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