cheerio vs see you later

cheerio

noun
  • A small saveloy often consumed with tomato sauce at parties. 

intj
  • Goodbye, an interjection said upon parting. 

  • Hello; a greeting. 

see you later

phrase
  • A phrase used at parting, and not necessarily implying that the person being addressed will be seen later by the speaker. 

How often have the words cheerio and see you later occurred in a corpus of books? (source: Google Ngram Viewer )