Some frequency-based word lists for reference
These wordlists can be accessed with the free Quizlet app or website.
100 most frequent words in the Quran
These lists work with Anki, a spaced repetition app. An effective tool for language learners.
5000 Most Frequently Used Arabic Words w/ Audio
Madinah Arabic Book 1 (full book)
Madinah Arabic Book 2 (full book)