hello vs later

hello

intj
  • A greeting used when answering the telephone. 

  • A call for response if it is not clear if anyone is present or listening, or if a telephone conversation may have been disconnected. 

  • An expression of puzzlement or discovery. 

  • Used sarcastically to imply that the person addressed or referred to has done something the speaker or writer considers to be foolish. 

  • A greeting (salutation) said when meeting someone or acknowledging someone’s arrival or presence. 

noun
  • "Hello!" or an equivalent greeting. 

verb
  • To greet with "hello". 

later

intj
  • See you later; goodbye. 

adv
  • Afterward in time (used with than when comparing with another time). 

  • At some unspecified time in the future. 

adj
  • At some time in the future. 

  • Coming afterward in distance (following an antecedent distance as embedded within an adverbial phrase) 

  • Coming afterward in time (used with than when comparing with another time). 

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