| BUTTONWOODS | • buttonwoods n. Plural of buttonwood. • BUTTONWOOD n. the American plane tree, a large tree, producing rough balls, from which it is named, also BUTTONBALL. |
| COTTONWOODS | • cottonwoods n. Plural of cottonwood. • COTTONWOOD n. an American tree of the poplar genus, having seeds covered with abundant cotton-like hairs. |
| DIPROTODONT | • diprotodont n. (Biology) Any marsupial of the order Diprotodontia. • DIPROTODONT n. any marsupial of the Diprotodontia, the suborder including kangaroos, wombats, etc., also DIPROTODON. |
| FOOTSTOOLED | • footstooled adj. Supplied with a footstool. • FOOTSTOOLED adv. with one's feet on a footstool. |
| HOUNDSTOOTH | • houndstooth n. A two-colour fabric pattern of broken checks. • houndstooth n. Fabric with a houndstooth pattern; an item of clothing made with such fabric. |
| MOTORBOATED | • motorboated v. Simple past tense and past participle of motorboat. • MOTORBOAT v. to travel by motorboat. |
| NOTODONTIDS | • notodontids n. Plural of notodontid. • NOTODONTID n. a member of the Notodontidae genus of moths. |
| ODONTOBLAST | • odontoblast n. A cell on the outer surface of dental pulp that produces tooth dentin. • ODONTOBLAST n. a tooth cell in the surface of dental pulp that produces dentine. |
| ODONTOCETES | • odontocetes n. Plural of odontocete. • ODONTOCETE n. a subdivision of Cetacea, including the sperm whale, dolphins, etc.; the toothed whales. |
| ODONTOLITES | • odontolites n. Plural of odontolite. • ODONTOLITE n. a fossil bone or tooth coloured blue with phosphate of iron, aka bone-turquoise. |
| ORTHODONTIA | • orthodontia n. Synonym of orthodontics. • ORTHODONTIA n. the rectification of crookedness in the teeth, also ORTHODONTICS. |
| ORTHODONTIC | • orthodontic adj. Of, or relating to the dental speciality of orthodontics. • ORTHODONTIC adj. relating to orthodontics, the rectification of crookedness in the teeth. |
| RONDOLETTOS | • rondolettos n. Plural of rondoletto. • RONDOLETTO n. a short rondo. |
| STOMATOPODS | • stomatopods n. Plural of stomatopod. • STOMATOPOD n. one of the Stomatopoda, marine crustaceans, including the squilla. |
| TRAITORHOOD | • traitorhood n. The quality of being a traitor. • TRAITORHOOD n. the state of being a traitor. |