twang vs vowel

twang

noun
  • The sound quality that appears in the human voice when the epilaryngeal tube is narrowed. 

  • An annoying or stupid person, recalcitrant. 

  • A particular sharp vibrating sound characteristic of electric guitars. 

  • A trace of a regional or foreign accent in someone's voice. 

  • The sharp, quick sound of a vibrating tight string, for example, of a bow or a musical instrument. 

  • A sharp, disagreeable taste or flavor. 

verb
  • To produce or cause to produce a sharp vibrating sound, like a tense string pulled and suddenly let go. 

  • To have a nasal sound. 

  • To have a trace of a regional or foreign accent. 

  • To play a stringed musical instrument by plucking and snapping. 

vowel

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

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

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

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