Academic Word List
This site contains materials for teachers using the Academic Word List. These materials were developed in 2009, but many are timeless.
Warm-up activities using academic vocabulary (the AWL)
Grouping activities using academic vocabulary
Ideas on how to implement the Academic Word List in a writing or grammar course
Unfortunately, the accompanying online student-facing materials have been moved to an LMS and no longer reside on theacademicword.org
I think vocabulary is fun.