betime vs dissemble

betime

verb
  • To occur; betide. 

adv
  • Betimes. 

dissemble

verb
  • To feign. 

  • To falsely hide one's opinions or feelings. 

  • To disguise or conceal something. 

  • To deliberately ignore something; to pretend not to notice. 

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