7
monogram(noun, name, design, symbol)
5
initial(noun, verb, adjective, settle, agree)
5
sign(noun, verb, name, stain, blemish)
5
signature(noun, verb, name, sign, confirm)
5
stamp(noun, verb, design, stain, blemish)
4
cipher(noun, character, design, symbol)
4
mark(noun, verb, name, dirty, symbol)
3
seal(noun, verb, design, stain, blemish)
3
acronym
3
autograph(noun, verb, name, sign, stain)
3
badge
3
device
3
emblem(design, symbol, logo)
3
firsts
3
originals(noun, adjective)
3
primaries(noun, adjective)
2
brand(noun, verb, stain, blemish, seal)
2
countersign(verb, secure, sign, approve, insure)
2
cross
2
hand
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APASmart Define. (2015). initials thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/initials/thesaurus/synonyms
ChicagoSmart Define. 2015. "initials thesaurus" https://smartdefine.org/initials/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, initials thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/initials/thesaurus/synonyms>.
MLASmart Define. "initials thesaurus" 24 December 2015. Web. 21 September 2026. <https://smartdefine.org/initials/thesaurus/synonyms>