loudmouth vs verbalizer

loudmouth

noun
  • One who talks too much or too loudly, especially in a boastful or self-important manner. 

verbalizer

noun
  • A thing that or person who verbalizes; frequently contrasted with visualizer. 

  • A morpheme, particle, etc. that converts a word into a verb. 

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