We all got to ride the merry-go-round when the brought their carnival to town.
When the carnival came to town, every one wanted some cotton candy.
Word: "carnival"
the same meaning

There was a brief encounter in the hallway.
Their encounter was a matter of chance.
Word: "encounter"
the same meaning

A peach stone.
You should remove the stones from prunes before cooking.
Word: "stone"
the same meaning

Float the plaster.
The balloon floated off into the distance.
Word: "float"
different meanings