| ANKYLOSAURUSES | • ankylosauruses n. Plural of ankylosaurus. • ANKYLOSAURUS n. a kind of dinosaur with a club tail, also ANKYLOSAUR. |
| BACKWARDNESSES | • backwardnesses n. Plural of backwardness. • BACKWARDNESS n. the state of being backward. |
| BRACKISHNESSES | • BRACKISHNESS n. the state of being brackish. |
| BREASTSTROKERS | • breaststrokers n. Plural of breaststroker. • BREASTSTROKER n. one who swims using breaststroke. |
| BRINKSMANSHIPS | • brinksmanships n. Plural of brinksmanship. • BRINKSMANSHIP n. the art or practice of pushing a dangerous situation or confrontation to the limit of safety esp. to force a desired outcome, also BRINKMANSHIP. |
| CANKEREDNESSES | • CANKEREDNESS n. the state of being cankered. |
| FORSAKENNESSES | • FORSAKENNESS n. the state of being forsaken. |
| FREAKISHNESSES | • freakishnesses n. Plural of freakishness. • FREAKISHNESS n. the state of being freakish. |
| LUKEWARMNESSES | • lukewarmnesses n. Plural of lukewarmness. • LUKEWARMNESS n. the state of being lukewarm. |
| MUSSELCRACKERS | • MUSSELCRACKER n. a large sea bream that feeds on shellfish. |
| PRANKISHNESSES | • PRANKISHNESS n. the state of being prankish. |
| SEMIDARKNESSES | • SEMIDARKNESS n. a state between dark and light. |
| STREPTOKINASES | • streptokinases n. Plural of streptokinase. • STREPTOKINASE n. a proteolytic enzyme produced by hemolytic streptococci that promotes the dissolution of blood clots by activating plasminogen to produce plasmin. |
| TASKMISTRESSES | • taskmistresses n. Plural of taskmistress. • TASKMISTRESS n. a woman who is a taskmaster. |
| WORKABLENESSES | • WORKABLENESS n. the state of being workable. |