50 entries under letter topic. ×

9
note(noun, verb, plan, line, arrange)
9
postcard(noun, note, line, missive)
7
line(noun, communication)
5
notice(noun, check, permit, record, welcome)
3
epistle(noun, correspondence)
3
message(noun, line)
2
communication(noun, line)
2
dispatch(noun, line, correspondence)
2
missive(noun, line, permit, authorization, correspondence)
2
tab(noun, verb, make, show, mark)
1
FYI
1
accosting(welcome, welcoming, nod, salutation)
1
acknowledgment(noun, welcome, wave, greeting, welcoming)
1
address(welcome, welcoming, nod, salutation)
1
aloha(welcome, welcoming, nod, salutation)
1
attention(welcome, welcoming, nod, salutation)
1
billet doux(expression, line)
1
blow(welcome, welcoming, nod, salutation)
1
cannonball
1
ciao(welcome, welcoming, nod, salutation)
<123>
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APASmart Define. (2015). card thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/card/thesaurus/synonyms
ChicagoSmart Define. 2015. "card thesaurus" https://smartdefine.org/card/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, card thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/card/thesaurus/synonyms>.
MLASmart Define. "card thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/card/thesaurus/synonyms>