overswell vs permeate

overswell

verb
  • To swell or rise above (something, especially the rim of a container, the sides of something hollow, etc.). 

  • To cause (something) to be too swollen or large; to become too swollen or large. 

noun
  • An excessive or sudden increase or flood (of something). 

permeate

verb
  • To pass through the pores or interstices of; to penetrate and pass through without causing rupture or displacement; applied especially to fluids which pass through substances of loose texture 

  • To enter and spread through; to pervade. 

noun
  • Liquid that has passed through a filtration system. 

  • A watery by-product of milk production. 

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