| CHAPTERHOUSE | • chapterhouse n. Alternative spelling of chapter house. • chapter-house n. Alternative spelling of chapter house. • chapter␣house n. A building attached to a cathedral, church, or monastery and used as a meeting place. |
| ELEUTHERARCH | • ELEUTHERARCH n. the chief of the eleutheri, an invented secret society. |
| FEEDTHROUGHS | • feedthroughs n. Plural of feedthrough. • feed-throughs n. Plural of feed-through. • FEEDTHROUGH n. a device for connecting two parts of an electronic circuit. |
| HELIANTHEMUM | • helianthemum n. (Botany) Any of the genus Helianthemum of rockroses. • HELIANTHEMUM n. a garden flower with papery yellow or orange flowers, aka rockrose. |
| HELIANTHUSES | • helianthuses n. Plural of helianthus. • HELIANTHUS n. any plant of the genus Helianthus, such as the sunflower and Jerusalem artichoke. |
| HOUSEFATHERS | • housefathers n. Plural of housefather. • HOUSEFATHER n. a man in charge of a dormitory, hall, or hostel. |
| HOUSEMOTHERS | • housemothers n. Plural of housemother. • HOUSEMOTHER n. a woman in charge of children in an institution. |
| HYPOTHENUSES | • hypothenuses n. (Dated) plural of hypothenuse. • HYPOTHENUSE n. the longest side of a right-angled triangle, also HYPOTENUSE. |
| KLETTERSCHUH | • kletterschuh n. A lightweight boot used in rock climbing. • KLETTERSCHUH n. a lightweight climbing boot with a canvas or suede upper and Vibram, also KLETT. |
| MOTHERHOUSES | • motherhouses n. Plural of motherhouse. • MOTHERHOUSE n. the convent in which the superior of a religious community resides. |
| THERETHROUGH | • therethrough adv. Through that. • THERETHROUGH adv. through that; by that means. |
| THUNDERHEADS | • thunderheads n. Plural of thunderhead. • THUNDERHEAD n. a thunder cloud. |
| UNHEALTHIEST | • unhealthiest adj. Superlative form of unhealthy: most unhealthy. • UNHEALTHY adj. not healthy. |
| UNHYPHENATED | • unhyphenated v. Simple past tense and past participle of unhyphenate. • unhyphenated adj. Lacking a hyphen. • unhyphenated adj. (North America) Of people, belonging to a single ethnicity or nationality: names for multi-ethnic/multi-nationality… |
| WHERETHROUGH | • wherethrough adv. (Archaic) Through which. • wherethrough adv. (Obsolete) By means of which; whereby. • WHERETHROUGH adv. (archaic) through which; through the agency of. |