slalom vs thread

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. 

thread

verb
  • To pass (through a narrow constriction or around a series of obstacles). 

  • To put thread through. 

  • To remove the hair using a thread. 

  • To screw on; to fit the threads of a nut on a bolt. 

noun
  • A sequence of connections. 

  • A filament, as of a flower, or of any fibrous substance, as of bark. 

  • A long, thin and flexible form of material, generally with a round cross-section, used in sewing, weaving or in the construction of string. 

  • A screw thread. 

  • A unit of execution, lighter in weight than a process, usually sharing memory and other resources with other threads executing concurrently. 

  • The line midway between the banks of a stream. 

  • A continued theme or idea. 

  • A series of messages, generally grouped by subject, in which all messages except the first are replies to previous messages in the thread. 

  • Composition; quality; fineness. 

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