prehistoric vs primitive

prehistoric

adj
  • Of or relating to the epoch before written record. 

  • Ancient; very old, outdated, etc. 

primitive

adj
  • Of or pertaining to the beginning or origin, or to early times; original; primordial; primeval; first. 

  • Of or pertaining to or harking back to a former time; old-fashioned; characterized by simplicity. 

  • Occurring in or characteristic of an early stage of development or evolution. 

  • Crude, obsolete. 

  • Not derived from another of the same type 

  • Original; primary; radical; not derived. 

noun
  • An original or primary word; a word not derived from another, as opposed to derivative. 

  • A simple-minded person. 

  • A data type that is built into the programming language, as opposed to more complex structures. 

  • A basic geometric shape from which more complex shapes can be constructed. 

  • Any of the simplest elements (instructions, statements, etc.) available in a programming language. 

  • A member of a primitive society. 

  • A function whose derivative is a given function; an antiderivative. 

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