mean to say vs verbalize

mean to say

verb
  • To imply or intend to convey with one's words; used to correct or clarify one's previous utterance, or to seek such clarification. 

verbalize

verb
  • To speak or to use words to express. 

  • To adapt (a word of another part of speech) as a verb. 

How often have the words mean to say and verbalize occurred in a corpus of books? (source: Google Ngram Viewer )