muffly vs weak-minded

muffly

adj
  • muffled. 

weak-minded

adj
  • Foolish or ignorant. 

  • weak-willed; easily swayed or corrupted. 

  • mentally deficient 

  • Needy or fearful; characterized by weakness. 

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