Countable Nouns Ending in UM and Containing RR

Browse 9 valid English countable nouns ending in UM and containing RR, from Curriculum, Terrarium, Interregnum, Erratum, Corrigendum, Antirrhinum and Marrubium 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 A
1 words
antirrhinum
Starts with C
2 words
curriculum
corrigendum
Starts with E
2 words
erratum
extracurriculum
Starts with I
1 words
interregnum
Starts with M
1 words
marrubium
Starts with S
1 words
surrogatum
Starts with T
1 words
terrarium

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