brim over vs overbrim

brim over

verb
  • to overflow over the brim (of a saucepan etc.) 

  • To be bustlingly full of something 

  • To experience a very strong emotion; to be overcome with emotion. 

overbrim

verb
  • To flow over the brim of; to overflow. 

  • To be so full as to overflow. 

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