| Answer | Crossword Clue |
|---|---|
| codebook | a book containing code words and symbols |
| codebooks | CODEBOOK, a book containing code words and symbols |
| wordbooks | A reference book containing lists of words and meanings or other related information |
| nomenclator | a book containing collections or lists of words; one who gives names to things |
| dictionary | a book containing the words of a language alphabetically arranged, with their meanings, etymology, etc |
| nomenclators | NOMENCLATOR, a book containing collections or lists of words; one who gives names to things |
| dictionaries | DICTIONARY, a book containing the words of a language alphabetically arranged, with their meanings, etymology, etc |
