| CATHODOGRAPHERS | • CATHODOGRAPHER n. one who takes photographs created using X-rays. |
| CATHODOGRAPHIES | • CATHODOGRAPHY n. the taking of photographs created using X-rays. |
| DEATHWATCHES | • deathwatches n. Plural of deathwatch. • DEATHWATCH n. a vigil, a watch kept beside a dying person; a kind of beetle. |
| FEATHERHEADS | • featherheads n. Plural of featherhead. • FEATHERHEAD n. an empty-headed person. |
| HAIRBREADTHS | • hairbreadths n. Plural of hairbreadth. • HAIRBREADTH n. the breadth of a hair; a minute distance, also HAIRSBREADTH. |
| HAIRSBREADTH | • hairsbreadth n. A very short distance or a very small amount (as is the width of a hair). • hair's␣breadth n. A very small amount or distance. • HAIRSBREADTH n. the breadth of a hair; a minute distance, also HAIRBREADTH. |
| HAIRSBREADTHS | • hairsbreadths n. Plural of hairsbreadth. • hairs'␣breadths n. Plural of hair’s breadth. • HAIRSBREADTH n. the breadth of a hair; a minute distance, also HAIRBREADTH. |
| HALFHEARTEDNESS | • halfheartedness n. The characteristic of being halfhearted. • half-heartedness n. Alternative form of halfheartedness. • HALFHEARTED n. lacking heart, spirit, or interest. |
| HANDBREADTHS | • handbreadths n. Plural of handbreadth. • HANDBREADTH n. the breadth of a hand, also HANDSBREADTH. |
| HANDSBREADTH | • handsbreadth n. A small distance. • HANDSBREADTH n. the breadth of a hand, also HANDBREADTH. |
| HANDSBREADTHS | • handsbreadths n. Plural of handsbreadth. • HANDSBREADTH n. the breadth of a hand, also HANDBREADTH. |
| HARDHEARTEDNESS | • hardheartedness n. (Uncountable) The state of being hardhearted. • hardheartedness n. (Countable) A hardhearted thought or act. • hard-heartedness n. Alternative form of hardheartedness. |
| HEADACHIEST | • headachiest adj. Superlative form of headachy: most headachy. • HEADACHY adj. having a headache, also HEADACHEY. |
| HEADMASTERSHIP | • headmastership n. The role or position of headmaster. • HEADMASTERSHIP n. the office of headmaster. |
| HEADMASTERSHIPS | • headmasterships n. Plural of headmastership. • HEADMASTERSHIP n. the office of headmaster. |
| HEADTEACHERS | • headteachers n. Plural of headteacher. • head␣teachers n. Plural of head teacher. • HEADTEACHER n. a teacher in charge of a school. |
| HEATHLANDS | • heathlands n. Plural of heathland. • HEATHLAND n. barren open country, esp. covered with ericaceous and other low shrubs. |
| HEXAHYDRATES | • hexahydrates n. Plural of hexahydrate. • HEXAHYDRATE n. a chemical compound with six molecules of water. |
| LEATHERHEADS | • leatherheads n. Plural of leatherhead. • LEATHERHEAD n. an Australian honeyeater, aka friarbird. |
| NAPHTHALISED | • naphthalised v. Simple past tense and past participle of naphthalise. • NAPHTHALISE v. to treat with naphtha, also NAPHTHALIZE. |