fundamental vs medial

fundamental

noun
  • The lowest partial of a complex tone. 

  • The lowest frequency of a periodic waveform. 

  • A main or major principle, rule, law, etc. which serves as the foundation or basis of a system; an essential part 

adj
  • Related to a foundation. base, or basis; serving as a foundation. 

  • essential; extremely important 

medial

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

  • Any of various things that occur in the middle. 

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. 

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