consonant vs erratic

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. 

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. 

erratic

noun
  • A rock moved from one location to another, usually by a glacier. 

  • Anything that has erratic characteristics. 

adj
  • Deviating from normal opinions or actions; eccentric; odd. 

  • Unsteady, random; prone to unexpected changes; not consistent. 

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