behove vs byhove

behove

verb
  • To befit, to suit. 

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

  • To be necessary for (someone). 

  • To be needful, meet or becoming. 

byhove

verb
  • To suit; to befit. 

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