Countable Nouns That End in NUM

Explore 54 verified English countable nouns ending with the suffix -NUM, including Magnum, Annum, Sternum, Duodenum, Plenum, Interregnum and Tympanum. Useful for ESL grammar practice, determiner usage, and plural spelling and rhyming patterns, browse these count nouns with singular and plural forms below or review singular and plural count rules in our noun grammar guide.

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annum
arcanum
antirrhinum
alburnum
botulinum
bonum
buccinum
crinum
chrysogonum
chamaepericlymenum
duodenum
damnum
dicranum
epipremnum
epigynum
epitympanum
episternum
ensisternum
eriogonum
entosternum
endosternum
Starts with F
2 words
frenum
fanum
Starts with G
1 words
granum
Starts with H
1 words
hypnum
Starts with I
1 words
interregnum
Starts with J
2 words
jejunum
jasminum
Starts with K
1 words
khanum
laburnum
lignum
linum
Starts with M
2 words
magnum
mediastinum
Starts with O
2 words
organum
origanum
plenum
presternum
polygonum
prosternum
Starts with R
1 words
regnum
sternum
solanum
signum
sphagnum
sparganum
scalenum
schizotrypanum
Starts with T
2 words
tympanum
talinum
Starts with V
2 words
viburnum
verumontanum
Starts with X
2 words
xiphisternum
xiphosternum

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