behave vs roam

behave

verb
  • To conduct (oneself) well, or in a given way. 

  • To act in a polite or proper way. 

  • To act, conduct oneself in a specific manner; used with an adverbial of manner. 

roam

verb
  • To range or wander over. 

  • To use a network or service from different locations or devices. 

  • To transmit (resources) between different locations or devices, to allow comparable usage from any of them. 

  • To wander or travel freely and with no specific destination. 

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