Well, by field hockey I think you mean hockey games that are done on the ground like field hockey, street hockey,ect. It is called ice hockey. *Field hockey and ice hockey are completely different rulebases. As the first answer pretty much describes, it is simply called "field hockey on ice", like it is called "field hockey on grass", "on turf", "on concrete", etc.
Do you mean the cost to play?
ice hockey is a rink and field hockey is just a field
a couple pounds
Field hockey is a field sport, but both indoor and ice hockey are rink sports.
Person 1 Field hockey is just as hard as any sport, it all depends on the amount of dedication you put into it. Person 2 I've played some field hockey and a lot of ice hockey, and I found field hockey much harder. For one thing, it is unfair to those of us who are left shots. Because of the types of sticks in field hockey, we all had to shoot right. Also, a ball on grass is much harder to handle than a puck on ice. I didn't enjoy playing field hockey at all.