ill-equipped vs ineffective

ill-equipped

adj
  • Mentally unprepared for a situation or task. 

  • Not well equipped; lacking important resources and supplies. 

ineffective

adj
  • lacking in ability; incompetent or inadequate 

  • not having the desired effect; ineffectual 

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