extend vs slalom

extend

verb
  • To straighten (a limb). 

  • To reenlist for a further period. 

  • To increase in quantity by weakening or adulterating additions. 

  • To value, as lands taken by a writ of extent in satisfaction of a debt; to assign by writ of extent. 

  • Of a class: to be an extension or subtype of, or to be based on, a prototype or a more abstract class. 

  • To increase in extent. 

  • To cause to increase in extent. 

  • To cause to last for a longer period of time. 

  • To possess a certain extent; to cover an amount of space. 

  • To bestow; to offer; to impart; to apply. 

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 extend and slalom occurred in a corpus of books? (source: Google Ngram Viewer )