21 Letter Countable Nouns Ending in IS

This list gathers 7 English 21 letter countable nouns that end with IS, such as Immunoelectrophoresis, Mucopolysaccharidosis, Poliencephalomyelitis, Pseudoparthenogenesis, Zygomaticoauricularis, Scleroticochoroiditis and Ureteropyelonephritis. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review singular and plural count rules.

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Starts with I
1 words
immunoelectrophoresis
Starts with M
1 words
mucopolysaccharidosis
Starts with P
2 words
poliencephalomyelitis
pseudoparthenogenesis
Starts with S
1 words
scleroticochoroiditis
Starts with U
1 words
ureteropyelonephritis
Starts with Z
1 words
zygomaticoauricularis

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