One of my favorite words is Freudenfreude. It’s a German compound work generally meaning joy-joy, or taking happiness in the joy or success of others. This reminds me of the the Rena and Stimpy show, where they would repeatedly say, “Happy happy joy joy!” Here is a link to the song.
In my study of Monks, there is a word, MUDITA, which has a similar meaning.
Shadenfreude is taking pleasure in the suffering or bad fortune of others. Shadenfreude does NOT bring freudenfreude!!
Below are my thoughts from the trail on the two words.
The Umenum 