| BURINISTS | • burinists n. Plural of burinist. • BURINIST n. one who works with the burin, an engraver's tool. |
| CUTINISES | • cutinises v. Third-person singular simple present indicative form of cutinise. • CUTINISE v. to become coated with cutin, also CUTINIZE. |
| DISUNITES | • disunites v. Third-person singular simple present indicative form of disunite. • DISUNITE v. to separate. |
| FUSIONIST | • fusionist n. An adherent of fusionism or a participant in a political fusion. • FUSIONIST n. an advocate of fusionism, a policy that favours unionism or coalition. |
| INSULSITY | • insulsity n. (Obsolete) insipidity; stupidity; dullness. • INSULSITY n. stupidity. |
| INUSTIONS | • inustions n. Plural of inustion. • INUSTION n. burning in. |
| LINGUISTS | • linguists n. Plural of linguist. • LINGUIST n. a person skilled in several languages. |
| LUMINISTS | • luminists n. Plural of luminist. • LUMINIST n. a painter who uses the effects of light. |
| NINJITSUS | • NINJITSU n. (Japanese) a martial art, teaching stealth and camouflage, also NINJUTSU. |
| RAINSUITS | • rainsuits n. Plural of rainsuit. • RAINSUIT n. a waterproof jacket and pants. |
| SINCIPUTS | • sinciputs n. Plural of sinciput. • SINCIPUT n. (Latin) the forehead. |
| SINUOSITY | • sinuosity n. The property of being sinuous. • SINUOSITY n. the state of being sinuous. |
| SINUSITIS | • sinusitis n. (Pathology) An inflammation of one or more paranasal sinuses. • SINUSITIS n. inflammation of the sinuses, also SINUITIS. |
| SKINSUITS | • skinsuits n. Plural of skinsuit. • SKINSUIT n. a one-piece skintight garment worn by cyclists, athletes, etc. |
| SUBTILINS | • SUBTILIN n. an antibiotic. |
| UNIONISTS | • unionists n. Plural of unionist. • UNIONIST n. one who believes in political union. |
| UNITISERS | • UNITISER n. one who unitises, also UNITIZER. |
| UNSISTING | • unsisting adj. (Obsolete) unresisting. • UNSISTING adj. (Shakespeare) variously explained as unassisting, unresisting, insisting, unresting. |
| WINGSUITS | • wingsuits n. Plural of wingsuit. • WINGSUIT n. a skydiving suit with extra material to slow descent. |