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Words starting with SI (6-letter)

A curated list of 6-letter words tailored to this exact pattern. When a clue points to SI starts, alternate vowel patterns and common blends after the prefix. For example: sialic, sialid, sibyls.

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114 words

Word	Length	Syllables
sialic	6	2
sialid	6	2
sibyls	6	2
siccan	6	2
sicced	6	2
sicked	6	2
sickee	6	1
sicken	6	2
sicker	6	2
sickie	6	1
sickle	6	1
sickly	6	2
sickos	6	2
siddur	6	2
siding	6	2
sidled	6	2
sidler	6	2
sidles	6	2
sieged	6	2
sieges	6	2
sienna	6	2
sierra	6	2
siesta	6	2
sieurs	6	1
sieved	6	2
sieves	6	2
sifaka	6	3
sifted	6	2
sifter	6	2
sighed	6	2
sigher	6	2
sights	6	1
sigils	6	2
sigloi	6	2
siglos	6	2
sigmas	6	2
signal	6	2
signed	6	2
signee	6	1
signer	6	2
signet	6	2
signor	6	2
silage	6	2
silane	6	2
sileni	6	3
silent	6	2
silica	6	3
silked	6	2
silken	6	2
siller	6	2
siloed	6	2
silted	6	2
silvae	6	1
silvan	6	2
silvas	6	2
silver	6	2
silvex	6	2
simars	6	2
simian	6	2
simile	6	2
simlin	6	2
simmer	6	2
simnel	6	2
simony	6	3
simoom	6	2
simoon	6	2
simper	6	2
simple	6	1
simply	6	2
sinews	6	2
sinewy	6	3
sinful	6	2
singed	6	2
singer	6	2
singes	6	2
single	6	1
singly	6	2
sinker	6	2
sinned	6	2
sinner	6	2
sinter	6	2
siphon	6	2
siping	6	2
sipped	6	2
sipper	6	2
sippet	6	2
sirdar	6	2
sirees	6	2
sirens	6	2
siring	6	2
sirrah	6	2
sirras	6	2
sirree	6	1
sirups	6	2
sirupy	6	3
sisals	6	2
siskin	6	2
sister	6	2
sistra	6	2
sitars	6	2
sitcom	6	2
siting	6	2
sitten	6	2
sitter	6	2
situps	6	2
sivers	6	2
sixmos	6	2
sixtes	6	2
sixths	6	1
sizars	6	2
sizers	6	2
sizier	6	2
sizing	6	2
sizzle	6	1

FAQs

Are SI-starting words common?
SI is a frequent start; probing vowel swaps after SI quickly narrows options.

Is this list good for crosswords?
Yes—filter by length mentally and scan definitions when available.