The character 醍 almost only appears in the word 醍醐.
Tips
usage
醍 is a bound morpheme — you'll only meet it in 醍醐 (tíhú, clarified butter / ghee), and almost always in the chengyu 醍醐灌顶 (tíhú-guàndǐng, 'pouring ghee on the head' = sudden enlightenment). Worth learning that single context.
