¹ Source: wiktionary.com
Lexicographical Neighbors of -ual
-toxa- -treme -tron -troph -trophic -trophy -tropic -tu- -tude -tum- | -tuple -tuples -ty -type -u- -ual (current term) -ule -um -un- -ure | -uret -uretic -urgy -uria -valent -ve -verse -vi- -ville -vir- |