acronym vs uncial

acronym

noun
  • An abbreviation formed by the beginning letters or syllables of other words (as "Benelux"). 

  • An abbreviation formed by the initial letters of other words, sometimes exclusively such abbreviations when pronounced as a word (as "laser") rather than as individual letters (initialisms such as "TNT"). 

verb
  • To form into an acronym. 

uncial

noun
  • A style of writing using uncial letters. 

  • A letter in this style. 

  • A manuscript in this style. 

adj
  • Of or relating to a majuscule style of writing with unjoined, rounded letters, originally used in the 4th–9th centuries. 

  • Of or relating to an ounce, or an inch, especially to letters printed an inch high. 

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