Seeing words grouped by theme (e.g., "The Human Body" or "Legal Terms") helps the brain form stronger associations.
You can highlight "False Friends"—words like "Gift" (which means poison in German) or "Eventuell" (which means perhaps, not eventually). Tips for Memorizing 9,000 Words 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. Seeing words grouped by theme (e