medial vs portion

medial

noun
  • Any of various things that occur in the middle. 

  • One or more letters that occur in the middle of a word. 

adj
  • Of or pertaining to the media and/or the areas of the wing next to it. 

  • Pertaining to the inside; closer to the median plane of the body or the midline of an organ. 

  • (of a speech sound) In the middle of a word. 

  • Closer to the addressee. 

  • Of or pertaining to a mean or average. 

  • Pertaining to the middle layer of a blood vessel, to its tunica media. 

  • (of a consonant) Central: produced when air flows across the center of the mouth over the tongue. 

portion

noun
  • That which is divided off or separated, as a part from a whole; a separated part of anything. 

  • An allocated amount. 

  • One's fate; lot. 

  • A wife's fortune; a dowry. 

  • The part of an estate given or falling to a child or heir; an inheritance. 

verb
  • To divide into amounts, as for allocation to specific purposes. 

  • To endow with a portion or inheritance. 

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