Countable Nouns That Start with H and End with UM

Explore 43 verified English countable nouns starting with H and ending with UM, including Hum, Hoodlum, Honorarium, Harmonium, Herbarium, Hilum and Hypericum. 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 HA6 words
harmonium
haustorium
habendum
haustellum
halimium
hamamelidanthemum
Starts with HE10 words
herbarium
helichrysum
heliotropium
hedysarum
helenium
helminthosporium
helianthemum
hesperidium
hedychium
hematopericardium
Starts with HI4 words
hilum
hippeastrum
hibernaculum
hieracium
Starts with HO6 words
hoodlum
honorarium
hospitium
hordeolum
horologium
hormogonium
Starts with HU3 words
hum
humstrum
humhum
Starts with HY14 words
hypericum
hypochondrium
hydronium
hypogeum
hymenium
hypanthium
hypogastrium
hypnum
hydropericardium
hyracotherium
hylotelephium
hydroxonium
hymenosporum
hydropneumopericardium

•Browse Countable Nouns by Letter (A to Z)

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