Countable Nouns Ending in UM and Containing B

Explore 151 verified English countable nouns ending in UM and containing B, including Bum, Equilibrium, Bacterium, Bubblegum, Cerebellum, Cerebrum and Arboretum. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

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Starts with A
9 words
arboretum
acetabulum
abomasum
alburnum
archaebacterium
arbitrium
ambulacrum
aerobium
anaerobium
Starts with B
24 words
bum
bacterium
bubblegum
biennium
begum
botulinum
boojum
basidium
bonum
bupleurum
bdellium
baculum
bifidum
blackgum
bluegum
brachium
ballium
barathrum
bryum
buccinum
bulbophyllum
bucranium
bullarium
bimillennium
Starts with C
22 words
cerebellum
cerebrum
candelabrum
columbarium
cymbidium
cambium
cyanobacterium
ciborium
crumbum
cubiculum
corynebacterium
cenobium
combretum
cribellum
coenobium
carbonium
crucibulum
calymmatobacterium
colobium
centrolobium
crembalum
criobolium
Starts with D
4 words
disequilibrium
dendrobium
diphyllobothrium
delubrum
Starts with E
16 words
equilibrium
enterobacterium
epilobium
eubacterium
excambium
excubitorium
embothrium
embolium
ephebeum
exobasidium
embolum
embaphium
enterolobium
entobronchium
epilabrum
epibaterium
Starts with F
3 words
flabellum
flabrum
flabellarium
Starts with G
1 words
gubernaculum
Starts with H
3 words
herbarium
hibernaculum
habendum
Starts with I
3 words
infundibulum
incunabulum
interambulacrum
Starts with L
7 words
labrum
labium
laburnum
labellum
labarum
lobopodium
lubritorium
Starts with M
4 words
manubrium
mycobacterium
marrubium
mesembryanthemum
Starts with N
4 words
nanobacterium
nitrobacterium
nelumbium
nitrosobacterium
Starts with P
3 words
propionibacterium
procambium
procerebrum
Starts with R
2 words
rhizobium
restibrachium
Starts with S
18 words
substratum
subforum
suboptimum
subphylum
subminimum
subgum
stumblebum
silybum
sisymbrium
syllabarium
scybalum
sabbatum
submentum
scabellum
subdelirium
subsellium
saccolabium
suboperculum
Starts with T
4 words
tuberculum
taurobolium
tintinnabulum
tritocerebrum
Starts with U
1 words
umbraculum
Starts with V
5 words
viburnum
vestibulum
verbascum
vibraculum
vibracularium

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