incurvate vs slalom

incurvate

verb
  • To bend (especially inwards); to give a curved shape to. 

  • to have a curved or bent shape; to bend or curve inwards. 

adj
  • bending inwards. 

  • Curved; bent; crooked. 

slalom

verb
  • To move in a slalom-like manner. 

  • To race in a slalom. 

noun
  • A race or competition wherein participants each perform the sport of slalom. 

  • A course used for the sport of slalom. 

  • The sport of skiing in a zigzag course through gates. (Often used attributively) 

  • Any similar activity on other vehicles, including canoes and water skis. 

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