The Internet Archive hosts several vintage Arabic frequency dictionaries. Search for "Arabic Frequency Dictionary" to find scanned books from the 1970s and 80s. While older, they are free and legal to download.
A PDF cannot speak. As you download your text file, use a Text-to-Speech (TTS) tool like Google Translate's Arabic voice to hear the words. Arabic has sounds that English doesn't (ع, غ, ح, ق). You must train your ear simultaneously. 5000 Most Common Arabic Words Pdf Free Download