der Rückfall, ¨-e

The German word "Rückfall" is a noun that means "relapse" or "setback". It is composed of "Rück", meaning "back" or "return", and "Fall", meaning "fall" or "case". "Rückfall" is often used in contexts such as health (e.g., relapse in illness) or behavior (e.g., a return to previous negative habits).

Similar words in German include "Rückschlag" (setback, usually in a more general sense) and " Rückkehr" (return). The key difference is that "Rückfall" specifically implies a return to a prior negative state, while "Rückschlag" might not necessarily be about reverting and can refer to a general setback or obstacle encountered.