| EINSTEINS | • einsteins n. Plural of einstein. • Einsteins n. Plural of Einstein. • EINSTEIN n. a very intelligent person. |
| INKSTAINS | • inkstains n. Plural of inkstain. • INKSTAIN n. a stain made by ink. |
| INSISTENT | • insistent adj. (Obsolete) Standing or resting on something. • insistent adj. Urgent in dwelling upon anything; persistent in urging or maintaining. • insistent adj. Extorting attention or notice; coercively staring or prominent; vivid; intense. |
| INSISTING | • insisting v. Present participle of insist. • INSIST v. to maintain very firmly. |
| INSTINCTS | • instincts n. Plural of instinct. • INSTINCT n. an inborn impulse, intuition. |
| INUSTIONS | • inustions n. Plural of inustion. • INUSTION n. burning in. |
| NIFTINESS | • niftiness n. Quality of being nifty. • NIFTINESS n. the state of being nifty. |
| NINJITSUS | • NINJITSU n. (Japanese) a martial art, teaching stealth and camouflage, also NINJUTSU. |
| SKINNIEST | • skinniest adj. Superlative form of skinny: most skinny. • SKINNY adj. having little fat. |
| SPINNIEST | • spinniest adj. Superlative form of spinny: most spinny. • SPINNY adj. crazy, foolish. |
| STAININGS | • stainings n. Plural of staining, gerund of stain. • STAINING n. the act of staining. |
| STEININGS | • steinings n. Plural of steining. • STEINING n. a stone lining of a well, also STEANING, STEENING. |
| STINGINGS | • stingings n. Plural of stinging. • STINGING n. the act of stinging. |
| STINTINGS | • stintings n. Plural of stinting. • STINTING n. the act of stinting. |
| TINNINESS | • tinniness n. The qualities of tin, particularly in the sense of being a cheap, low-quality metal. • tinniness n. The thin, unpleasant sound of an instrument made of tin, or any tinny object used to make a sound. • TINNINESS n. the state of being tinny. |
| TINTINESS | • tintiness n. The state or condition of being tinty. • TINTINESS n. the state of being tinted. |
| UNIONISTS | • unionists n. Plural of unionist. • UNIONIST n. one who believes in political union. |
| UNSISTING | • unsisting adj. (Obsolete) unresisting. • UNSISTING adj. (Shakespeare) variously explained as unassisting, unresisting, insisting, unresting. |