arbalest vs hatchet

arbalest

noun

  • A crossbow. 

  • A crossbowman. 

hatchet

noun

  • A small, light axe with a short handle; a tomahawk. 

verb

  • To cut with a hatchet. 

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