consonant vs vowel

consonant

noun
  • A sound that results from the passage of air through restrictions of the oral cavity; any sound that is not the dominant sound of a syllable, the dominant sound generally being a vowel. 

  • A letter representing the sound of a consonant. 

adj
  • consistent, harmonious, compatible, or in agreement 

  • Harmonizing together; accordant. 

  • Having the same sound. 

  • Of or relating to consonants; made up of, or containing many, consonants. 

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 consonant and vowel occurred in a corpus of books? (source: Google Ngram Viewer )