3 Syllablesboreally
4 Syllablesarboreally, corporeally, marmoreally
5 Syllablesarmorially, factorially, incorporeally, memorially, pictorially, sartorially, tinctorially, tutorially
6 Syllablesaccessorially, dictatorially, directorially, editorially, equatorially, gladiatorially, immemorially, mediatorially, monitorially, piscatorially, preceptorially, senatorially, territorially
7 Syllablesaccusatorially, ambassadorially, combinatorially, exterritorially, gubernatorially, inquisitorially, phantasmagorialy
8 Syllablesextraterritorially