pallium vs tog

pallium

noun
  • A large cloak worn by Greek philosophers and teachers. 

  • The mantle of a mollusc. 

  • A woolen liturgical vestment resembling a collar and worn over the chasuble in the Western Christian liturgical tradition, conferred on archbishops by the Pope, equivalent to the Eastern Christian omophorion. 

  • The cerebral cortex. 

tog

noun
  • A cloak. 

  • A coat. 

  • A unit of thermal resistance, being ten times the temperature difference (in °C) between the two surfaces of a material when the flow of heat is equal to one watt per square metre 

verb
  • To dress (often with up or out). 

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