hour hand vs loof

hour hand

noun
  • The hand of a clock or watch face that revolves twice each day and indicates the hours. 

loof

noun
  • The palm of the hand. 

  • The spongy fibers of the fruit of a cucurbitaceous plant (Luffa aegyptiaca). 

  • The after part of the bow of a ship where the sides begin to curve. 

  • The hand, especially, the hand outspread and upturned. 

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