Clumber :: Clumber (n.) A kind of field spaniel, with short legs and stout body, which, unlike other spaniels, hunts silently..
Columbella :: Columbella (n.) A genus of univalve shells, abundant in tropical seas. Some species, as Columbella mercatoria, were formerly used as shell money..
Cucumber :: Cucumber (n.) A creeping plant, and its fruit, of several species of the genus Cucumis, esp. Cucumis sativus, the unripe fruit of which is eaten either fresh or picked. Also, similar plants or fruits of several other genera. See below..
Cumber :: Cumber (v. t.) To rest upon as a troublesome or useless weight or load; to be burdensome or oppressive to; to hinder or embarrass in attaining an object, to obstruct or occupy uselessly; to embarrass; to trouble..