Countable Nouns That Start with SE and End with UM

Explore 19 verified English countable nouns starting with SE and ending with UM, including Serum, Septum, Sedum, Sensorium, Seaquarium, Sesamum and Sempervivum. 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 SEA
1 words
seaquarium
Starts with SED
2 words
sedum
sedilium
Starts with SEM
1 words
sempervivum
Starts with SEN
3 words
sensorium
sensillum
sensum
Starts with SEP
5 words
septum
sepium
septennium
separatum
septarium
Starts with SEQ
1 words
sequestrum
Starts with SER
2 words
serum
sericterium
Starts with SES
2 words
sesamum
sestertium
Starts with SEV
1 words
severum
Starts with SEX
1 words
sexennium

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