converge vs wander

converge

verb
  • (said of a sequence or series) To have a (finite, proper) limit. 

  • (said of two or more entities) To approach each other; to get closer and closer. 

  • (said of an iterative process) To reach a stable end point. 

wander

verb
  • To go somewhere indirectly or at varying speeds; to move in a curved path. 

  • To move without purpose or specified destination; often in search of livelihood. 

  • Of the mind, to lose focus or clarity of argument or attention. 

  • To stray; stray from one's course; err. 

  • To commit adultery. 

noun
  • An act or instance of wandering. 

  • The situation where a value or signal etc. deviates from the correct or normal value. 

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