Countable Nouns That Start with AV and End with ON

Explore 6 verified English countable nouns starting with AV and ending with ON, including Aviation, Aversion, Avocation, Avulsion, Avion and Averruncation. 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.