associability vs. associableness
awkwardness vs. cumbersomeness
admirability vs. admirableness
admirability vs. wonderfulness
autochthony vs. indigenousness
acceptability vs. acceptableness
abstruseness vs. reconditeness
assiduousness vs. concentration
abruptness vs. precipitateness
abruptness vs. precipitousness
amenability vs. cooperativeness
achromaticity vs. colorlessness
appetisingness vs. appetizingness
abdominousness vs. paunchiness
ambidexterity vs. ambidextrousness
advantageousness vs. positivity
aimlessness vs. purposelessness