He needs some time in the field before his judgment can be trusted.
Field work traditionally distinguishes true archaeologists from armchair archaeologists.
Word: "field"
the same meaning

I don't care what he does.
We cared about the opera.
Word: "care"
the same meaning

Roughcast a wall.
To roughcast a wall or building.
Word: "roughcast"
the same meaning

A ten day's leave to visit his mother.
She was granted leave to speak.
Word: "leave"

different meanings