Front

Reclaim or get something back?

Back

retrieve

Front

Perfect or flawless, beyond criticism?

Back

impeccable

Front

Sudden forward movement in an attack?

Back

lunge

Front

Displaying correct or appropriate behaviors?

Back

propriety

Front

Invented or shortened name related to an event or characteristic?

Back

nickname

Front

Saying nothing, silent?

Back

mum

Front

Possible but not yet actual?

Back

potential

Front

Expert skill or knowledge?

Back

expertise

Front

Against, especially in a competition or court case?

Back

versus

Front

Result of an action?

Back

consequences