hoe vs mattock

hoe

noun
  • An agricultural tool consisting of a long handle with a flat blade fixed perpendicular to it at the end, used for digging rows. 

  • A piece of land that juts out towards the sea; a promontory. 

  • The horned or piked dogfish, Squalus acanthias. 

verb
  • To cut, dig, scrape, turn, arrange, or clean, with this tool. 

  • To clear from weeds, or to loosen or arrange the earth about, with a hoe. 

mattock

noun
  • An agricultural tool whose blades are at right angles to the body, similar to a pickaxe. 

verb
  • To cut or dig with a mattock. 

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