kelp vs toad

kelp

noun
  • Any of several large brown algae seaweeds (order Laminariales). 

  • The calcined ashes of seaweed, formerly used in glass and iodine manufacture. 

verb
  • To gather kelp. 

toad

noun
  • An amphibian, a kind of frog (order Anura) with shorter hindlegs and a drier, wartier skin, many in family Bufonidae. 

  • An ugly person. 

  • A contemptible or unpleasant person. 

verb
  • To expel (a user) permanently from a MUD or similar system, so that their account is deleted. 

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