Here is a Cultural Literacy worksheet on the adjective and preposition vis-a-vis. This is a half-page worksheet with a reading of one sentence and two questions. One of the questions calls for the composition of a sentence using vis-a-vis, so it could be easily eliminated if you just to introduce the use of this term in the vernacular–that is, to mean “in relation to.” I will say that this worksheet does little more than that, which I discovered when I researched the word a bit at Merriam-Webster. This Gallicism literally means “face-to-face” and can be used that way as a noun, should you care to extend this worksheet further.
If you find typos in this document, 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.