drip vs seep

drip

noun
  • A drop of a liquid. 

  • A limp, ineffectual, or uninteresting person. 

  • Style; swagger; fashionable and/or expensive clothing. 

  • A falling or letting fall in drops; act of dripping. 

  • A dividend reinvestment program; a type of financial investing. 

  • An apparatus that slowly releases a liquid, especially one that intravenously releases drugs into a patient's bloodstream. 

  • That part of a cornice, sill course, or other horizontal member, which projects beyond the rest, and has a section designed to throw off rainwater. 

verb
  • To have a superabundance of valuable things. 

  • To rain lightly. 

  • To be wet, to be soaked. 

  • To fall one drop at a time. 

  • To whine or complain consistently; to grumble. 

  • To leak slowly. 

  • To let fall in drops. 

seep

noun
  • The seeping away of a liquid, etc. 

  • A seafloor vent. 

  • Moisture, liquid, gas, etc. that seeps out; a seepage. 

  • A small spring, pool, or other spot where liquid from the ground (e.g. water, petroleum or tar) has oozed to the surface; a place of seeping. 

verb
  • (of a crack etc.) To allow a liquid to pass through, to leak. 

  • To enter or penetrate slowly; to spread or diffuse. 

  • To diminish or wane away slowly. 

  • To ooze or pass slowly through pores or other small openings, and in overly small quantities; said of liquids, etc. 

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