abstain--abstinence
abstruse--difficult to understand
abut--If a building or area of land abuts on something, it is next to it or touches it on one side
accede--...
banal--boring, ordinary and not original
Amnesty--Pardon
Acquittal
Aberration--Deviance
Abnormality
Abate--Weaken
Decrease
Lessen
Let up
Slack off
Vs.
Intensify
Strengthen
Ablaze--Alight
aflame
Shining
Illuminated
Abortive--Fruitless
Unsuccessful