12
literature(noun, knowledge, education, language, nonfictional)
6
erudition(noun, literature, knowledge, wisdom, education)
6
autobiography(noun, account, life, sketch, letter)
6
scholarship(noun, knowledge, wisdom, refinement, education)
5
characters(noun, reproduction, copy, book, photograph)
5
correspondence(noun, communication, mail)
5
epistles(noun, correspondences)
5
missives
5
notes(noun, verb, mail, lines, cards)
4
belles-lettres
4
bookishness(knowledge, refinement, education, savvy, learnedness)
4
culture(noun, literature, knowledge, refinement, education)
4
messages(noun, writing, correspondence, notes, mail)
4
post(noun, writing, correspondence, mail)
4
republic of letters(expression, idiom, knowledge, language)
4
script(noun, handwriting)
3
letter
3
bibliolatry
3
bibliomania
3
book learning(expression, idiom, knowledge, education)
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APASmart Define. (2015). letters thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/letters/thesaurus/synonyms
ChicagoSmart Define. 2015. "letters thesaurus" https://smartdefine.org/letters/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, letters thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/letters/thesaurus/synonyms>.
MLASmart Define. "letters thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/letters/thesaurus/synonyms>