phonetic vs vowel

phonetic

noun
  • In such writing systems as the Chinese writing system, the portion of a phono-semantic character that provides an indication of its pronunciation; contrasted with semantic (which is usually the radical). 

adj
  • Relating to the spoken rather than written form of a word or name, as opposed to orthographic. 

  • Relating to phones (as opposed to phonemes). 

  • Relating to the sounds of spoken language. 

vowel

noun
  • A letter representing the sound of vowel; in English, the vowels are a, e, i, o, u, and y. 

  • A sound produced by the vocal cords with relatively little restriction of the oral cavity, forming the prominent sound of a syllable. 

verb
  • To add vowel points to a consonantal script (e.g. niqqud in Hebrew or harakat in Arabic). 

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