Countable Nouns Starting with B and Containing UM

Browse 110 valid English countable nouns starting with B and containing UM, from Bump, Bum, Bumper, Bummer, Breadcrumb, Breadcrumbs and Bacterium to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with BA6 words
bacterium
barotrauma
basidium
baculum
ballium
barathrum
Starts with BD
1 words
bdellium
Starts with BE3 words
begum
benzenediazonium
beflum
Starts with BI6 words
bitumen
biennium
bifidum
bimillennium
bishydroxycoumarin
bivium
Starts with BL3 words
blackgum
bluegum
blellum
Starts with BO6 words
botulinum
boojum
bonum
botrychium
bothrium
botrydium
Starts with BR24 words
breadcrumb
breadcrumbs
brummie
brumby
bronchopneumonia
brumaire
brume
brummell
brachium
brummagem
brummagen
bryum
bressummer
bronchium
brontotherium
bryophyllum
brosimum
brummer
breastsummer
bromatium
brimborium
brontozoum
breekums
bronteum
Starts with BU24 words
bump
bum
bumper
bummer
bumblebee
bubblegum
bumble
bumbling
bumpkin
bumbler
bumbag
bumfuck
bumbershoot
bumboy
bumbleberry
bumboat
bupleurum
bumiputra
bumsucker
bumwad
bummel
buccinum
bulbophyllum
bumbee

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