slang vs vocalization

slang

noun
  • A particular variety of slang; the slang used by a particular group. 

  • A curse word. 

  • The specialized language of a social group, sometimes used to conceal one's meaning from outsiders; cant. 

  • An item of slang; a slang word or expression. 

  • Language outside of conventional usage and in the informal register. 

  • Language that is unique to a particular profession or subject; jargon. 

  • Any long, narrow piece of land; a promontory. 

verb
  • To sell (especially illegal drugs). 

vocalization

noun
  • Any specific mode of utterance; pronunciation 

  • The production of musical sounds using the voice, especially as an exercise 

  • The change in pronunciation of historically or variably consonant (typically sonorant) sounds as vowels. For example, the syllabic /l/ in words like people or the coda one in words like cold or coal are variably realized as a high back vowel or glide—[ʊ], [u], [ɤ] or [o]—in many dialects of English in the US, UK, and the Southern Hemisphere. For example, in African American Vernacular English, one common pronunciation of the words "people", "cold", and "coal" is [pʰipʊ], [kʰoɤd], or [kʰoɤ] respectively. 

  • The act of vocalizing or something vocalized; a vocal utterance 

  • The addition of these diacritics and the respective phonemes to a word; the spoken form the word thereby receives. 

  • The use of speech to express an idea 

  • The vowel diacritics in certain scripts, like Hebrew and Arabic, which are not normally written, but which are used in dictionaries, children's books, religious texts and textbooks for learners. 

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