armband vs wristband

armband

noun
  • A band worn around the arm, usually to symbolize protest or mourning. 

  • An inflatable band worn round the arms to keep afloat in water 

  • A band worn around the arm of the captain of a team. 

wristband

noun
  • A decorative band or bracelet that encircles the wearer's wrist. 

  • A strip of material worn around the wrist, e.g. to absorb perspiration, especially in sports. 

  • A band that supports a wristwatch. 

  • The cuff of a sleeve that wraps around the wrist. 

  • A cord worn around the wrist, used to hold a small object such as a knife: a lanyard 

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