| 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.
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| FEATHERHEADS | • featherheads n. Plural of featherhead. • FEATHERHEAD n. an empty-headed person.
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| HAIRBREADTHS | • hairbreadths n. Plural of hairbreadth. • HAIRBREADTH n. the breadth of a hair; a minute distance, also HAIRSBREADTH.
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| 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.
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| 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.
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| HALFHEARTEDNESS | • halfheartedness n. The characteristic of being halfhearted. • half-heartedness n. Alternative form of halfheartedness.
 • HALFHEARTED n. lacking heart, spirit, or interest.
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| HANDBREADTHS | • handbreadths n. Plural of handbreadth. • HANDBREADTH n. the breadth of a hand, also HANDSBREADTH.
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| HANDSBREADTH | • handsbreadth n. A small distance. • HANDSBREADTH n. the breadth of a hand, also HANDBREADTH.
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| HANDSBREADTHS | • handsbreadths n. Plural of handsbreadth. • HANDSBREADTH n. the breadth of a hand, also HANDBREADTH.
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| HARDHEARTEDNESS | • hardheartedness n. (Uncountable) The state of being hardhearted. • hardheartedness n. (Countable) A hardhearted thought or act.
 • hard-heartedness n. Alternative form of hardheartedness.
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| HEADACHIEST | • headachiest adj. Superlative form of headachy: most headachy. • HEADACHY adj. having a headache, also HEADACHEY.
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| HEADMASTERSHIP | • headmastership n. The role or position of headmaster. • HEADMASTERSHIP n. the office of headmaster.
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| HEADMASTERSHIPS | • headmasterships n. Plural of headmastership. • HEADMASTERSHIP n. the office of headmaster.
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| HEADTEACHERS | • headteachers n. Plural of headteacher. • head␣teachers n. Plural of head teacher.
 • HEADTEACHER n. a teacher in charge of a school.
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| HEATHLANDS | • heathlands n. Plural of heathland. • HEATHLAND n. barren open country, esp. covered with ericaceous and other low shrubs.
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| HEXAHYDRATES | • hexahydrates n. Plural of hexahydrate. • HEXAHYDRATE n. a chemical compound with six molecules of water.
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| LEATHERHEADS | • leatherheads n. Plural of leatherhead. • LEATHERHEAD n. an Australian honeyeater, aka friarbird.
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| NAPHTHALISED | • naphthalised v. Simple past tense and past participle of naphthalise. • NAPHTHALISE v. to treat with naphtha, also NAPHTHALIZE.
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