3 Syllablesaerily, charily, fairily, hairily, merrily, scarily, verily
4 Syllablesunwarily
5 Syllablesactuarily, arbitrarily, budgetarily, customarily, fragmentarily, literarily, mercenarily, monetarily, sanguinarily, secondarily, sedentarily, solitarily, stationarily, temporarily, tributarily, visionarily
6 Syllablescontemporarily, disciplinarily, discretionarily, extemporarily, fiduciarily, hereditarily, insanitarily, intercalarily, involuntarily, judiciarily, obituarily, pecuniarily, petitionarily, subsidiarily, traditionarily, unnecessarily
7 Syllablesevolutionarily