The piano had a very stiff action.
A rifle action.
Word: "action"
the same meaning

The thick branches overhanging the path made progress difficult.
He listened for the progress of the troops.
Word: "progress"
the same meaning

They tested his ability to locate objects in space.
Write your name in the space provided.
Word: "space"
different meanings

In defense he said the other man started it.
The artillery battered down the defenses.
Word: "defense"
different meanings