flail vs touse

flail

verb
  • To thresh. 

  • To beat using a flail or similar implement. 

  • To wave or swing vigorously 

  • To move like a flail. 

noun
  • A weapon which has the (usually spherical) striking part attached to the handle with a flexible joint such as a chain. 

  • A tool used for threshing, consisting of a long handle with a shorter stick attached with a short piece of chain, thong or similar material. 

touse

verb
  • To rumple, tousle. 

  • To pull to pieces. 

noun
  • a noisy disturbance 

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