Here is a context clues worksheet on the verb extricate, which is only used transitively. In any case, it is definitely a word students ought to know–even if all they know is that when they receive their diplomas, they have extricated themselves from high school.
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.