earless seal vs umbrella

earless seal

noun
  • Any of the seals in the taxonomic family Phocidae characterized by lacking external ear flaps; true seals. 

umbrella

noun
  • The main body of a jellyfish, excluding the tentacles. 

  • Something that covers a wide range of concepts, purposes, groups, etc. 

  • A cloth-covered frame used for protection against rain or sun. 

  • Generally, anything that provides protection. 

  • An umbrella-shaped reflector with a white or silvery inner surface, used to diffuse a nearby light. 

verb
  • To move like a jellyfish. 

  • To cover or protect, as if by an umbrella. 

  • To form the dome shape of an open umbrella. 

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