perambulator vs trundler

perambulator

noun
  • One who perambulates. 

  • A surveyor's instrument for measuring distances, consisting of a wheel that rolls over the ground, along with a clockwork apparatus and a dial plate upon which the distance travelled is shown by an index. 

  • A baby carriage. 

trundler

noun
  • A person who trundles (something or someone). 

  • A bowler who bowls slowly; a mediocre bowler. 

  • A bowler (player throwing the ball). 

  • A foldable shopping bag with a light frame and wheels. 

  • Shopping cart. 

  • Golf pushcart. 

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