burgeon vs go to seed

burgeon

verb
  • To grow or expand. 

  • To swell to the point of bursting. 

go to seed

verb
  • To pass from flowering or ripening to the formation of seeds. 

  • To deteriorate; to decline into an unkempt or debased condition. 

How often have the words burgeon and go to seed occurred in a corpus of books? (source: Google Ngram Viewer )