external vs indigenous

external

adj
  • Relating to or denoting a medicine or similar substance for use on the outside of the body. 

  • Having existence independent of the mind. 

  • Situated near or toward the surface of the body. 

  • For or concerning students registered with and taking the examinations of a university but not resident there. 

  • Not contained in the main computer. 

  • Outside of something; on the exterior. 

  • Not intrinsic or essential. 

  • Provided by something or someone outside of the entity (object, group, company etc.) considered. 

  • Using a disk or tape drive rather than the main memory. 

  • Relating to or connected with foreign nations or institutions. 

  • Having merely the outward appearance of something. 

noun
  • Outward appearance. 

  • Inessential or superficial features. 

  • A variable that is defined in the source code but whose value comes from some external source. 

  • The exterior; outward features or appearances. 

indigenous

adj
  • Innate, inborn. 

  • Born or originating in, native to a land or region, especially before an intrusion. 

  • In particular, of or relating to a people (or their language or culture) that inhabited a region prior to the arrival of people of other cultures which became dominant (e.g., through colonialism), and which maintains a distinct culture. 

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