7
sputter(noun, verb, falter, stammering, sibilate)
6
snore(noun, verb, sibilate, sibilation)
6
snuffle(noun, verb, stammering, sibilate, sibilation)
5
buzz(noun, verb, sibilate, sibilation)
5
drawl(verb, stammering)
5
hiss(noun, verb, sibilate, sibilation)
5
sibilate(verb, sibilate)
5
sizzle(noun, verb, sibilate, sibilation)
5
sniffle(noun, verb, sibilate, sibilation)
5
snort(noun, verb, sibilate, sibilation)
5
stutter(noun, verb, falter, stammer)
5
wheeze(noun, verb, sibilate, sibilation)
5
whisper(noun, verb, stammering, sibilate, sibilation)
5
whistle(noun, verb, sibilate, sibilation)
5
whiz(noun, verb, sibilate, sibilation)
5
whoosh(noun, verb, sibilate, sibilation)
5
zip(noun, verb, sibilate, sibilation)
4
mumble(verb, stammering, stammer)
4
speech defect(expression, idiom)
4
splutter(verb, stammering, stammer)
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APASmart Define. (2015). LISP thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/lisp/thesaurus/synonyms
ChicagoSmart Define. 2015. "LISP thesaurus" https://smartdefine.org/lisp/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, LISP thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/lisp/thesaurus/synonyms>.
MLASmart Define. "LISP thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/lisp/thesaurus/synonyms>