tremble vs wap

tremble

noun

  • A shake, quiver, or vibration. 

verb

  • To shake, quiver, or vibrate. 

  • To fear; to be afraid. 

wap

noun

  • A blow or beating; a whap. 

  • A bundle. 

  • A weapon, gun. 

  • A breast. 

verb

  • To beat; to whap. 

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