18 entries under line topic. ×

10
card(noun, letter)
9
letter(noun, communication, dispatch, correspondence)
6
note(noun, communication, dispatch, correspondence)
4
message(noun, communication, dispatch, correspondence)
4
dispatch(noun, communication, correspondence, message)
3
communication(noun, dispatch, correspondence, message)
2
FYI
2
billet doux(expression, letter)
2
cannonball
1
get-well
1
invite
1
kite(noun, communication, dispatch, message)
1
love letter(expression, letter)
1
memo(communication, dispatch, message, letter)
1
missive(noun, communication, dispatch, message)
1
poison pen(expression, letter)
1
scratch
1
tab
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APASmart Define. (2015). postcard thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/postcard/thesaurus/synonyms
ChicagoSmart Define. 2015. "postcard thesaurus" https://smartdefine.org/postcard/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, postcard thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/postcard/thesaurus/synonyms>.
MLASmart Define. "postcard thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/postcard/thesaurus/synonyms>