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Words starting with SIN (10-letter)

A curated list of 10-letter words tailored to this exact pattern. When a clue points to SIN starts, alternate vowel patterns and common blends after the prefix. For example: sincipital, sinfulness, singleness.

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16 words
Word Definition Length Syllables
sincipital104
sinfulness103
singleness103
singletons103
singletree102
singspiels102
singularly104
sinicizing104
sinisterly104
sinistrous103
sinoatrial103
sinologies104
sinologist104
sinologues104
sinsemilla104
sinusoidal104

FAQs

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

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