Countable Nouns That Start with C and End with UM

Explore 207 verified English countable nouns starting with C and ending with UM, including Curriculum, Consortium, Continuum, Condominium, Chum, Conundrum and Coliseum. Sort these count nouns with singular and plural forms by word length for ESL grammar practice, determiner usage, and plural spelling below, or review singular and plural count rules in our noun grammar guide.

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Starts with CA23 words
capsicum
candelabrum
cambium
caladium
calvarium
callosum
calcaneum
cavum
cafetorium
capitellum
capitulum
castellum
caldarium
canticum
causatum
caudatum
carbonium
cavaedium
caulophyllum
capillitium
calymmatobacterium
carpogonium
calceamentum
Starts with CE24 words
cerebellum
cerebrum
cecum
centrum
centum
cestrum
cenobium
centaurium
cephalosporium
ceratium
cenaculum
cestum
ceratotherium
cerastium
centennium
cercidiphyllum
cercidium
cerithium
cecidium
cephalodium
ceramium
ceratopetalum
ceratophyllum
ceramidium
Starts with CH24 words
chum
chrysanthemum
checksum
chillum
charmonium
chlorophytum
chemakum
chenopodium
chondrocranium
chiropatagium
chamaemelum
chelidonium
chetrum
cheiropatagium
choragium
chylopericardium
cheirotherium
chimakum
chiropterygium
chalicotherium
chromidium
chrysogonum
chilidium
chirotherium
Starts with CI4 words
cilium
ciborium
cingulum
cinerarium
Starts with CL20 words
clostridium
claustrum
cladosporium
clausum
clerodendrum
closterium
clitellum
cleithrum
clavicytherium
clerum
cleistothecium
climacium
clinandrium
clum
clinanthium
clinium
cladophyllum
clinkum
clinopodium
clavicularium
Starts with CN
2 words
cnemidium
cneorum
Starts with CO24 words
consortium
continuum
condominium
conundrum
colosseum
coliseum
compendium
colloquium
corundum
columbarium
collegium
corium
corrigendum
conservatorium
collum
coagulum
conium
colchicum
colluvium
codium
conidium
corynebacterium
cocoplum
collyrium
Starts with CR21 words
crematorium
cranium
cryptosporidium
criterium
credendum
crumbum
cribellum
crissum
crinum
crassamentum
crucibulum
crepusculum
crotalum
crinkum
cronartium
crocanthemum
crepitaculum
crankum
craspedum
crembalum
criobolium
Starts with CT
1 words
ctenidium
Starts with CU3 words
curriculum
cusum
cubiculum
Starts with CY14 words
cymbidium
cyanobacterium
cynoglossum
cypripedium
cynomorium
cymatium
cyathium
cynanchum
cyrtomium
cystidium
cycloconium
cymoidium
cysticarpium
cylindrosporium

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