Uncountable Nouns That Start with EXT and End with S

Explore 17 verified English uncountable nouns starting with EXT and ending with S, including Extensiveness, Extremis, Extremeness, Extraordinariness, Extraneousness, Extemporaneousness and Extrovertedness. Sort these mass nouns and non-count terms for substances and concepts by word length for quantifier accuracy, academic writing, and ESL study below, or check quantifier and measurement rules in our noun grammar guide.