Countable Nouns That Start with D and End with IUM

Explore 28 verified English countable nouns starting with D and ending with IUM, including Delirium, Delphinium, Disequilibrium, Dolphinarium, Decennium, Diluvium and Dendrobium. 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 DE11 words
delirium
delphinium
decennium
dendrobium
dentalium
deinotherium
deliquium
desiderium
desmodium
desmepithelium
desmidium
Starts with DI12 words
disequilibrium
diluvium
diazonium
diphyllobothrium
digitorium
didinium
dihelium
dichasium
dinotherium
diclesium
diachaenium
disciplinarium
Starts with DO4 words
dolphinarium
domatium
dockominium
dolium
Starts with DR
1 words
drepanium

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