| ARBUTUSES | • arbutuses n. Plural of arbutus. • ARBUTUS n. (Latin) an evergreen tree, the strawberry tree, also ARBUTE. |
| AUTOBUSES | • autobuses n. Plural of autobus. • AUTOBUS n. a motorbus. |
| BUSULFANS | • BUSULFAN n. a drug used to treat leukaemia. |
| BUTSUDANS | • butsudans n. Plural of butsudan. • BUTSUDAN n. (Japanese) a small Buddhist household altar. |
| SQUAWBUSH | • squawbush n. The deciduous shrub Cornus amomum. • squawbush n. The shrub Rhus trilobata. • SQUAWBUSH n. an American shrub. |
| SUBADULTS | • subadults n. Plural of subadult. • SUBADULT n. an individual approaching adulthood. |
| SUBCAUSES | • subcauses n. Plural of subcause. • SUBCAUSE n. a subordinate cause. |
| SUBCLAUSE | • subclause n. (Grammar) A subordinate clause. • subclause n. A subsidiary clause in a legal contract etc. • subclause v. (Transitive) To qualify with a subclause. |
| SUBHUMANS | • subhumans n. Plural of subhuman. • SUBHUMAN n. one that is less than human. |
| SUBMUCOSA | • submucosa n. (Anatomy) A layer of connective tissue beneath a mucous membrane. • SUBMUCOSA n. the connective tissue underlying a mucous membrane. |
| SUBUCULAS | • SUBUCULA n. (Latin) in the early English church, a kind of cassock worn under the alb. |
| SUBURBANS | • suburbans n. Plural of suburban. • SUBURBAN n. one who lives in a suburb. |
| SUBURBIAS | • suburbias n. Plural of suburbia. • SUBURBIA n. the suburbs of a city. |
| SUBVISUAL | • subvisual adj. That is too dim to be seen unaided. • SUBVISUAL adj. below the threshold of visual perception. |
| SUGARBUSH | • sugarbush n. A grove of maple trees. • sugar␣bush n. An evergreen shrub found in south-western United States of America, Rhus ovata. • sugar␣bush n. (North America) A forest of sugar maples or other trees tapped for sugar. |
| USQUABAES | • USQUABAE n. (Gaelic) whiskey, also USQUE, USQUEBAE, USQUEBAUGH. |
| USQUEBAES | • USQUEBAE n. (Gaelic) whiskey, also USQUABAE, USQUE, USQUEBAUGH. |