dictionary vs speller

dictionary

noun
  • A synchronic dictionary of a standardised language held to only contain words that are properly part of the language. 

  • A reference work with a list of words from one or more languages, normally ordered alphabetically, explaining each word's meanings (senses), and sometimes also containing information on its etymology, pronunciation, usage, semantic relations, and translations, as well as other data. 

  • An associative array, a data structure where each value is referenced by a particular key, analogous to words and definitions in a dictionary (sense 1). 

  • Any work that has a list of material organized alphabetically; e.g., biographical dictionary, encyclopedic dictionary. 

verb
  • To look up in a dictionary. 

  • To compile a dictionary. 

  • To add to a dictionary. 

speller

noun
  • A spell checker. 

  • A person who spells. 

  • A participant in a spelling bee. 

  • A book used to learn how to spell properly. 

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