| CARDSHARPERS | • cardsharpers n. Plural of cardsharper Alternative form of cardsharps. • CARDSHARPER n. one who engages in sharp practice at cards, also CARDSHARP. |
| HAIRDRESSERS | • hairdressers n. Plural of hairdresser. • hairdresser's n. (UK) A hairdresser’s shop. • HAIRDRESSER n. a person whose occupation is the dressing or cutting of hair. |
| HYDRARGYRIAS | • HYDRARGYRIA n. mercury poisoning, also HYDRARGYRISM. |
| HYDRARGYRISM | • hydrargyrism n. (Medicine) A diseased condition produced by poisoning with hydrargyrum, or mercury; mercurialism. • HYDRARGYRISM n. mercury poisoning, also HYDRARGYRIA. |
| HYDRARGYRUMS | • HYDRARGYRUM n. an obsolete name for mercury. |
| HYDROCRACKER | • hydrocracker n. (Organic chemistry) A chemical engineering plant in which hydrocracking takes place. • HYDROCRACKER n. one engaged in hydrocracking. |
| HYDROGRAPHER | • hydrographer n. A scientist whose speciality is hydrography. • HYDROGRAPHER n. a student of hydrography. |
| ORCHARDGRASS | • orchardgrass n. Any of various grasses of the genus Dactylis, especially Dactylis glomerata. • orchard␣grass n. Alternative spelling of orchardgrass. |
| RADIOGRAPHER | • radiographer n. Someone who works with radiography. This term seems to be more common in British English. • RADIOGRAPHER n. one who practises radiography. |
| RECORDERSHIP | • recordership n. The role or office of a recorder. • RECORDERSHIP n. the office of recorder. |
| REPREHENDERS | • reprehenders n. Plural of reprehender. • REPREHENDER n. one who reprehends. |
| ROADWORTHIER | • ROADWORTHY adj. able to be used on a road. |