approve of vs maul

approve of

maul

verb
  • To beat with a maul. 

  • To criticise harshly. 

  • To handle someone or something in a rough way. 

  • To savage; to cause serious physical wounds (usually used of an animal). 

noun
  • A heavy long-handled hammer, used for splitting logs by driving a wedge into them, or in combat. 

  • A situation where the player carrying the ball, who must be on his feet, is held by one or more opponents, and one or more of the ball carrier's team mates bind onto the ball carrier. 

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