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Words starting with SI (7-letter)

A curated list of 7-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: sialids, sialoid, siamang.

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157 words
Word Definition Length Syllables
sialids72
sialoid72
siamang72
siamese72
sibling72
sibylic73
siccing72
sickbay72
sickbed72
sickees72
sickens72
sickest72
sickies72
sicking72
sickish72
sickled72
sickles72
sickout72
siddurs72
sidearm72
sidebar73
sidecar73
sideman73
sidemen73
sideway73
sidings72
sidlers72
sidling72
sieging72
siemens72
sienite72
siennas72
sierran72
sierras72
siestas72
sieving72
sifakas73
sifters72
sifting72
siganid73
sighers72
sighing72
sighted72
sighter72
sightly72
sigmate72
sigmoid72
signage72
signals72
signees72
signers72
signets72
signify73
signing72
signior72
signora73
signore72
signori73
signors72
signory73
silages73
silanes73
silence72
silents72
silenus73
silesia73
silexes73
silicas73
silicic73
silicle72
silicon73
siliqua73
silique72
silkier72
silkies72
silkily73
silking72
sillers72
sillier72
sillies72
sillily73
siloing72
siltier72
silting72
silurid73
silvans72
silvern72
silvers72
silvery73
silvics72
simians72
similar73
similes73
simioid72
simious72
simitar73
simlins72
simmers72
simnels72
simooms72
simoons72
simpers72
simpler72
simples72
simplex72
simular73
sincere72
sinewed73
singers72
singing72
singled72
singles72
singlet72
sinkage72
sinkers72
sinking72
sinless72
sinners72
sinning72
sinopia73
sinopie72
sinsyne72
sinters72
sinuate72
sinuous72
sinuses73
siphons72
sippers72
sippets72
sipping72
sirdars72
sirloin72
sirocco73
sirrahs72
sirrees72
siskins72
sissier72
sissies72
sisters72
sistrum72
sitcoms72
sithens72
sitters72
sitting72
situate72
situses73
sixfold72
sixteen72
sixthly72
sixties72
sizable72
sizably73
siziest72
sizings72
sizzled72
sizzler72
sizzles72

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.