Uncountable Nouns That Start with AP and End with SS

Explore 16 verified English uncountable nouns starting with AP and ending with SS, including Appropriateness, Aptness, Apprehensiveness, Apartness, Appealingness, Apparentness and Appositeness. 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.