opening
The opening between the rocks was very narrow, but the boys managed to squeeze through.
break
In order to break the world record, Blaine had to hold his breath without fainting.
leak
Tightly sealed to prevent air leaks, the house was equipped with small double-paned windows
and several other energy-saving features.
split
His trousers split when he tried to jump over the fence.
crack
Back in the days when energy was cheap, home builders didn’t worry much about unsealed cracks.
debate
Although many experts agree that more children are overweight, there is debate over the best
ways to tackle the problem.
portion
When you raise the price of a product, you're
likely to lose a portion of your customer base.
