loof vs manus

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. 

manus

noun
  • A hand, as the part of the fore limb below the forearm in a human, or the corresponding part in other vertebrates. 

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