Here are two context clues worksheets on the noun austerity and the adjective austere. I’m hard-pressed to imagine why high school students, especially seniors, whether college-bound or not, shouldn’t know these words. They will, I expect, be very much in the news in the not-too-distant future.
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.