| ARRHENOTOKIES | • ARRHENOTOKY n. giving birth only to boys. |
| BREAKTHROUGHS | • breakthroughs n. Plural of breakthrough. • BREAKTHROUGH n. an offensive thrust that penetrates and carries beyond a defensive line in warfare. |
| CHECKERBOARDS | • checkerboards n. Plural of checkerboard. • CHECKERBOARD n. a board used in various games (as checkers) with usually 64 squares in 2 alternating colors. |
| HETEROKARYONS | • heterokaryons n. Plural of heterokaryon. • HETEROKARYON n. a cell, as in the mycelium of a fungus, that contains two or more genetically unlike nuclei. |
| HOLIDAYMAKERS | • holidaymakers n. Plural of holidaymaker. • holiday-makers n. Plural of holiday-maker. • HOLIDAYMAKER n. someone on holiday. |
| HOUSEBREAKERS | • housebreakers n. Plural of housebreaker. • house-breakers n. Plural of house-breaker. • house␣breakers n. Plural of house breaker. |
| HOUSEBREAKING | • housebreaking n. The act of breaking into another person’s house with unlawful intent. • housebreaking v. (Animal training) present participle of housebreak. • HOUSEBREAKING n. the act of breaking into a house for the purpose of stealing. |
| HYDROCRACKERS | • hydrocrackers n. Plural of hydrocracker. • HYDROCRACKER n. one engaged in hydrocracking. |
| KATHAREVOUSAS | • KATHAREVOUSA n. a formal archaizing written form of Modern Greek, based on Ancient Greek. |
| KATHAROMETERS | • katharometers n. Plural of katharometer. • KATHAROMETER n. an instrument measuring changes in composition of gases. |
| KERAUNOGRAPHS | • keraunographs n. Plural of keraunograph. • KERAUNOGRAPH n. an instrument for detecting distant thunderstorms, also CERAUNOGRAPH. |
| NONSHRINKABLE | • nonshrinkable adj. Synonym of unshrinkable. • NONSHRINKABLE adj. not shrinkable. |
| SHOCKUMENTARY | • shockumentary n. A form of documentary used to generate a reactionary effect in an audience; especially such a documentary… • SHOCKUMENTARY n. a documentary intended to shock. |
| SHOPBREAKINGS | • shopbreakings n. Plural of shopbreaking. • SHOPBREAKING n. the act of breaking into a shop. |
| SPEAKERPHONES | • speakerphones n. Plural of speakerphone. • SPEAKERPHONE n. a combination microphone and loudspeaker device for two-way communication by telephone lines. |
| THROMBOKINASE | • thrombokinase n. (Biochemistry) A proteolytic enzyme that converts prothrombin into thrombin during the clotting of blood. • THROMBOKINASE n. an enzyme active in the clotting of blood, aka thromboplastin. |
| UNSCHOLARLIKE | • unscholarlike adj. Not scholarlike. • UNSCHOLARLIKE adj. not like a scholar. |
| WHISKERANDOED | • WHISKERANDOED adj. having whiskers. |