voiceless vs voluble

voiceless

adj
  • Spoken without vibration of the vocal cords; unvoiced, surd, breathed. Examples: [t], [s], [f], [m̥], [u̥]. 

  • Without a vote; having no input into a decision. 

  • Lacking a voice, without vocal sound. 

voluble

adj
  • Fluent or having a ready flow of speech. 

  • Twisting and turning like a vine. 

  • Easily rolling or turning; having a fluid, undulating motion. 

  • Of thoughts, feelings, or something that is expressed: expressed readily or at length and in a fluent manner. 

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