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Words starting with INS (10-letter)

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

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79 words

Word	Length	Syllables
insaneness	10	4
insanitary	10	5
insanities	10	4
insatiable	10	3
insatiably	10	4
inscribers	10	3
inscribing	10	3
inscrolled	10	3
insculping	10	3
insecurely	10	5
insecurity	10	5
inselberge	10	3
inselbergs	10	3
inseminate	10	4
insensible	10	3
insensibly	10	4
insentient	10	3
insertions	10	3
insheathed	10	3
inshrining	10	3
insightful	10	3
insinuated	10	4
insinuates	10	4
insinuator	10	4
insipidity	10	5
insistence	10	3
insistency	10	4
insobriety	10	4
insociable	10	3
insociably	10	4
insolating	10	4
insolation	10	4
insolences	10	4
insolently	10	4
insolubles	10	4
insolvable	10	3
insolvably	10	4
insolvency	10	4
insolvents	10	3
insomniacs	10	3
insouciant	10	3
inspanning	10	3
inspecting	10	3
inspection	10	3
inspective	10	3
inspectors	10	3
insphering	10	3
inspirator	10	4
inspirited	10	4
inspissate	10	3
installers	10	3
installing	10	3
instalment	10	3
instancies	10	3
instancing	10	3
instarring	10	3
instigated	10	4
instigates	10	4
instigator	10	4
instillers	10	3
instilling	10	3
instituted	10	4
instituter	10	4
institutes	10	4
institutor	10	4
instructed	10	3
instructor	10	3
instrument	10	3
insufflate	10	3
insularism	10	4
insularity	10	5
insulating	10	4
insulation	10	4
insulators	10	4
insurances	10	4
insurgence	10	3
insurgency	10	4
insurgents	10	3
inswathing	10	3

FAQs

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

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