behove vs bestead

behove

verb
  • To be in the best interest of; to benefit. 

  • To befit, to suit. 

  • To be necessary for (someone). 

  • To be needful, meet or becoming. 

bestead

verb
  • To profit; benefit; serve; avail. 

  • To help, assist. 

  • To take the place of; replace. 

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