Pantomime.
Merry Christmas
One proper name is the town of Bethlehem. One word not directly related to Christmas would be "messianic".
Christmas
An eight letter word for an Italian dessert is tiramisu.As in "this tiramisu is delicious!"
dessert
torte
zuzu
Port.
mousse
The nine letter word is tolerable.
wot is a nine letter word for a alian