Here are two context clues worksheets on contract as both a noun and a verb. As a verb, on the second worksheet, contract is used in the sense of limit, restrict, and to reduce to a smaller size. Contract is used in this sense both intransitively and transitively.
If you find typos in these documents, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.