| BEAUTYBUSH | • beauty␣bush n. Linnaea amabilis, a deciduous flowering shrub in the family Caprifoliaceae. |
| BLUEBUSHES | • BLUEBUSH n. an Australian blue-grey shrub. |
| BUBBLEGUMS | • bubblegums n. Plural of bubblegum. • bubble-gums n. Plural of bubble-gum. • bubble␣gums n. Plural of bubble gum. |
| BUCKYTUBES | • buckytubes n. Plural of buckytube. • BUCKYTUBE n. a tube of carbon atoms. |
| BUTTERBURS | • butterburs n. Plural of butterbur. • BUTTERBUR n. a plant of damp places with very broad leaves. |
| CUMBERBUND | • cumberbund n. Alternative spelling of cummerbund. • CUMBERBUND n. (Hindi) a waistband, a sash, also CUMMERBUND, KUMMERBUND. |
| PSEUDOBULB | • pseudobulb n. A storage organ in orchids, derived from the part of a stem between two leaf nodes. • PSEUDOBULB n. a swollen stem internode in some orchids. |
| STUMBLEBUM | • stumblebum n. A blundering or awkward person. • stumblebum n. An inept prizefighter. • stumblebum n. (Slang) A homeless person. |
| SUBAUDIBLE | • subaudible adj. Below the threshold of hearing. • sub-audible adj. Alternative spelling of subaudible. • SUBAUDIBLE adj. hardly audible. |
| SUBBUREAUS | • subbureaus n. Plural of subbureau. • SUBBUREAU n. a subdivision of a bureau. |
| SUBBUREAUX | • subbureaux n. Plural of subbureau. • SUBBUREAU n. a subdivision of a bureau. |
| SUBJUGABLE | • subjugable adj. Capable of being subjugated. • SUBJUGABLE adj. that can be subjugated. |
| SUBSUMABLE | • subsumable adj. That can be subsumed. • SUBSUMABLE adj. capable of being subsumed. |
| TUMBLEBUGS | • tumblebugs n. Plural of tumblebug. • TUMBLEBUG n. a dung beetle, that rolls up balls of dung for protection and nourishment of young. |
| UNBURNABLE | • unburnable adj. That is difficult or impossible to burn. • UNBURNABLE adj. that cannot be burned. |
| UNCLUBABLE | • unclubable adj. Alternative spelling of unclubbable. • UNCLUBABLE adj. unsociable, not suitable for taking to a club, also UNCLUBBABLE. |
| UNCURBABLE | • uncurbable adj. Incapable of being curbed. • UNCURBABLE adj. not capable of being curbed. |
| UNSHRUBBED | • unshrubbed adj. Without shrubs. • UNSHRUBBED adj. being without shrubs, also UNSHRUBD. |