Countable Nouns That Start with PE and End with IUM

Explore 18 verified English countable nouns starting with PE and ending with IUM, including Pericardium, Penicillium, Pelargonium, Perichondrium, Pericranium, Perimysium and Peculium. 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.