| AURIS | • AURIS n. (Latin) the ear. |
| CURSI | • cursi n. Plural of cursus. • CURSUS n. (Latin) an elongated prehistoric earthwork. |
| KURIS | • KURI n. (Maori) a mongrel, an extinct native dog, also GOORY, GOORIE. |
| MUIRS | • MUIR n. (Scots) a moor. |
| PURIS | • puris n. Plural of puri. • PURI n. (Hindi) in India, a small cake of unleavened bread fried in vegetable oil, also POORI. |
| RIMUS | • rimus n. Plural of rimu. • RIMU n. (Maori) a coniferous New Zealand tree. |
| RISUS | • RISUS n. (Latin) a laugh; a grin. |
| RUDIS | • RUDI n. (in Jamaica) a member of a group of lower- or working-class teenagers in the 1960s, noted for listening to ska music and for juvenile delinquency, also RUDY. |
| RUINS | • ruins n. Plural of ruin. • ruins v. Third-person singular simple present indicative form of ruin. • RUIN v. to destroy. |
| SHIUR | • shiur n. A lesson on a topic in the Tanakh. • SHIUR n. (Hebrew) a lesson, esp. one in which a passage of the Talmud is studied together by a group of people. |
| SIEUR | • SIEUR n. (French) an old French title of respect for a man. |
| SIRUP | • sirup n. Dated form of syrup. • sirup v. Dated form of syrup. • SIRUP n. a saturated solution of sugar boiled to prevent fermentation, also SYRUP. |
| URSID | • ursid n. (Zoology) Any species of the family Ursidae; a bear, a giant panda, or any of certain extinct relatives. • Ursid n. (Astronomy) Any meteor from a radiant in the constellation Ursa Minor. • URSID n. a meteor. |
| VIRUS | • virus n. A submicroscopic, non-cellular structure consisting of a core of DNA or RNA surrounded by a protein… • virus n. (Uncountable) A quantity of such infectious agents. • virus n. (Informal, metonymically) A disease caused by such an infectious agent; a viral illness. |