island vs primal

island

verb
  • To isolate. 

  • To surround with water; make into an island. 

  • To set, dot (as if) with islands. 

noun
  • A contiguous area of land, smaller than a continent, totally surrounded by water. 

  • A roundabout; A traffic circle. 

  • A bench, counter, etc., that is not connected to a wall or other furniture and which can be used from any side. 

  • A superstructure on an aircraft carrier's deck. 

  • An entity surrounded by other entities that are very different from itself. 

  • A contiguous area of land, smaller than a continent, partially surrounded by water; A peninsula; A half-island. 

  • A traffic island. 

  • A phrase from which a wh-word cannot be extracted without yielding invalid grammar. 

  • An unincorporated area wholly surrounded by one or more incorporated areas. 

primal

verb
  • To take part in primal therapy. 

noun
  • A primal cut (of meat). 

adj
  • Being the first in time or in history. 

  • Of greatest importance; primary. 

  • Being one of the pieces of meat initially separated from the carcass during butchering, prior to division into smaller cuts. 

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