Import your PDF list into an app like Anki. It tracks which words you struggle with and shows them more often.
Don't just read the word; read a sentence. Knowing "fahren" means "to drive" is okay, but knowing "Ich fahre nach Berlin" helps you understand the prepositional grammar. german vocabulary for english speakers - 9000 words pdf
Never learn "Tisch" (table). Learn "der Tisch." In German, the gender (der, die, das) is part of the word itself. Import your PDF list into an app like Anki