1. Averagely and averageness are listed at the very end of the information for average in the 1992 edition of American Heritage

2. Aasvogels asseverating asseveratingly averageness averagenesses Avgases avgasses disadvantageous disadvantages envassalling evangelicalisms evangelicalness evangelisations evangelistaries flagstaves galvanisers galvanises galvanoplasties galvanoscopes galvanoscopies gravitases imaginativeness navigableness …