Countable Nouns Ending in IUM and Containing PT

Explore 10 verified English countable nouns ending in IUM and containing PT, including Scriptorium, Cryptosporidium, Pterygium, Septennium, Reptilium, Apterium and Septarium. 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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Starts with A
1 words
apterium
Starts with C
3 words
cryptosporidium
chiropterygium
cheiropterygium
Starts with I
1 words
ichthyopterygium
Starts with P
1 words
pterygium
Starts with R
1 words
reptilium
Starts with S
3 words
scriptorium
septennium
septarium

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