4
mark(noun, verb, make, communication, character)
4
memo(noun, communication, mark, note, line)
4
post(noun, correspondence)
4
varsity letter(noun, expression, idiom)
3
article
3
autograph(verb, mark, note, create, sign)
3
badge(noun, mark, sign, indication, representation)
3
belles-lettres
3
consonant
3
counter
3
culture
3
draft(noun, verb, mark, note, create)
3
essay
3
exactly
3
favor
3
font
3
hieroglyphic(noun, character, picture, symbol, pictograph)
3
junk mail(noun, expression, communication, dispatch, correspondence)
3
label(noun, verb, check, stain, indication)
3
learning
11 years ago|8.8k views|share |citing 
APASmart Define. (2015). letter thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/letter/thesaurus/synonyms
ChicagoSmart Define. 2015. "letter thesaurus" https://smartdefine.org/letter/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, letter thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/letter/thesaurus/synonyms>.
MLASmart Define. "letter thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/letter/thesaurus/synonyms>