COB
COBAEA
COBAEAS
COBALAMIN
COBALAMINS
COBALT
COBALTIC
COBALTIFEROUS
COBALTINE
COBALTINES
COBALTITE
COBALTITES
COBALTOUS
COBALTS
COBB
COBBED
COBBER
COBBERS
COBBIER
COBBIEST
COBBING
COBBLE
COBBLED
COBBLER
COBBLERIES
COBBLERS
COBBLERY
COBBLES
COBBLESTONE
COBBLESTONED
COBBLESTONES
COBBLESTONING
COBBLING
COBBLINGS
COBBS
COBBY
COBELLIGERENT
COBELLIGERENTS
COBIA
COBIAS
COBLE
COBLES
COBLOAF
COBLOAVES
COBNUT
COBNUTS
COBRA
COBRAS
COBRIC
COBRIFORM
COBS
COBURG
COBURGS
COBWEB
COBWEBBED
COBWEBBERIES
COBWEBBERY
COBWEBBIER
COBWEBBIEST
COBWEBBING
COBWEBBY
COBWEBS
COBZA
COBZAS

64 words start with COB.