3
classics
3
dispatches(noun, correspondences)
3
learning(noun, knowledge, experience, wisdom, refinement)
3
lore(noun, information, knowledge, wisdom, story)
3
mail(noun, writing, correspondence)
3
memoir(life, sketch, letter, journal, confession)
3
polite literature(expression, idiom, language)
3
writing(noun, reproduction, copy, book, print)
2
account
2
acknowledgments(noun, correspondences)
2
acquirements(knowledge, education)
2
alphabets
2
annals
2
attainments(knowledge, education)
2
belles lettres(expression, idiom, language)
2
biography(noun, account)
2
book madness(expression, idiom, knowledge)
2
communications
2
consonants
2
correspondences(noun, correspondences)
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APASmart Define. (2015). letters thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/letters/thesaurus/synonyms
ChicagoSmart Define. 2015. "letters thesaurus" https://smartdefine.org/letters/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, letters thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/letters/thesaurus/synonyms>.
MLASmart Define. "letters thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/letters/thesaurus/synonyms>