Above and over are synonymous prepositions when they indicate elevation in position. They seldom imply contact between that which is higher and that which is lower; as a rule they allow an interval.
Able vs Capable vs Competent vs Qualified
Able, capable, competent and qualified all mean having power or fitness for work.
Abjure vs Renounce vs Forswear vs Recant vs Retract
Abjure, renounce, forswear, recant and retract all mean to withdraw one’s word or professed belief.
Abridged vs Expurgated vs Unabridged
Unabridged means in its full length or original content.
Achilles of England vs English Achilles
This great captain, whose merit was acknowledged equally by friends and foes, received the appellation of the Achilles of England.
Achieve peace vs Win the peace
Achieve peace—achieve a state in which a nation or community is not at war with another.
Abdicate vs Renounce vs Resign
Abdicate, renounce and resign all mean to give up formally or definitely.
About vs Approximately vs Around
About refers to a rough estimate.
Aberration vs Derangement vs Alienation
Aberration, derangement, alienation, as here compared, denote mental disorder.
Accurate in vs Accurate with
Accurate in something—free from mistakes in what one says or does.
Abnormal vs Subnormal
Abnormal means deviating from the average.
According to Cocker vs According to Mrs. Beeton
According to Cocker—(U.S. also: according to Gunter) absolutely correct; exactly as it should be.