| ANKLEBONES | • anklebones n. Plural of anklebone. • ANKLEBONE n. the bone of the ankle. |
| BACKRONYMS | • backronyms n. Plural of backronym. • BACKRONYM n. an acronym formed using the initial letters or syllables of an existing word, also BACRONYM. |
| BAKESTONES | • bakestones n. Plural of bakestone. • BAKESTONE n. a flat stone or iron plate on which cakes are baked in an oven. |
| BONEBLACKS | • boneblacks n. Plural of boneblack. • BONEBLACK n. black residue from the destructive distillation of bones. |
| BONESHAKER | • boneshaker n. A velocipede (the bicycle of the late 1860s). • boneshaker n. Something jolty. • bone-shaker n. Alternative spelling of boneshaker. |
| BOOKSTANDS | • bookstands n. Plural of bookstand. • BOOKSTAND n. a stand or support for holding up a book in reading. |
| BRAINWORKS | • BRAINWORK n. work done with the brain. |
| BREAKDOWNS | • breakdowns n. Plural of breakdown. • break␣downs n. Misspelling of breakdowns. • BREAKDOWN n. a collapse, a failure. |
| COUNTBACKS | • countbacks n. Plural of countback. • COUNTBACK n. a system of deciding the winner of a tied competition by comparing earlier points or scores. |
| KNEEBOARDS | • kneeboards n. Plural of kneeboard. • KNEEBOARD v. to ride a kind of short surfboard ridden in a kneeling position. |
| KNOCKBACKS | • knockbacks n. Plural of knockback. • knock-backs n. Plural of knock-back. • KNOCKBACK n. a refusal, a setback. |
| NOTCHBACKS | • notchbacks n. Plural of notchback. • NOTCHBACK n. a car whose roof does not slope continuously from the roof to the bumper, but juts out from the bottom of the rear window. |
| RACKABONES | • rackabones n. (Informal, derogatory) A very lean person or animal, especially a lean horse. • RACKABONES n. a very lean animal, esp. a horse. |
| SHANKBONES | • shankbones n. Plural of shankbone. • shank-bones n. Plural of shank-bone. • SHANKBONE n. the bone of the shank. |
| SJAMBOKING | • sjamboking v. Present participle of sjamboke. • SJAMBOK v. (South African) to beat with a rhinoceros-hide whip, also JAMBOK. |
| SNEAKBOXES | • sneakboxes n. Plural of sneakbox. • SNEAKBOX n. a small boat masked with brush and weeds that is used for wildfowl hunting. |
| STONEBREAK | • stonebreak n. The meadow saxifrage. • STONEBREAK n. another name for saxifrage. |
| THORNBACKS | • thornbacks n. Plural of thornback. • THORNBACK n. a kind of skate having thornlike spines on its back, aka roker. |
| UNSMOKABLE | • unsmokable adj. Impossible or undesirable to smoke. • UNSMOKABLE adj. not capable of being smoked. |