Countable Nouns That Start with CL and End with UM

Explore 20 verified English countable nouns starting with CL and ending with UM, including Clostridium, Claustrum, Cladosporium, Clausum, Clerodendrum, Closterium and Clitellum. 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 CLA
6 words
claustrum
cladosporium
clausum
clavicytherium
cladophyllum
clavicularium
Starts with CLE
4 words
clerodendrum
cleithrum
clerum
cleistothecium
Starts with CLI
7 words
clitellum
climacium
clinandrium
clinanthium
clinium
clinkum
clinopodium
Starts with CLO
2 words
clostridium
closterium
Starts with CLU
1 words
clum

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