Erfreut, freudvoll, fröhlich, glücklich, zufrieden.
The word frolic comes from the Dutch, "vroolijk" which means happy. It also has roots in Old High German word, "fro" which also means happy.
froh = happy froh = pleased froh = glad
Happy Friday in German is glücklicher Freitag
Chre is not a German word
Assuming you mean "how" to say happy in German, there are a couple of different ways: Froh and gluecklich.
"mit" is the German word for "with".
The German word for their is "Ihre."
The word FROM in German is von
The German word for he is er.
The word for is in German - " ist "
The German word for "Who" is "Wer".
The German word for when is wenn.