Very little. Minor differences are needed depending on the final length, weight and bow intended, but that is all.
Yes
Apart from the fact that you use a stick to hit a ball into a goal, everything.
Ice hockey is played on ice, while field hockey is played on a grass surface, the rules in field hockey are kinder than ice hockey, and the sticks vary between versions.
no the are completely different in every way, if you were going to compare any thing to field hockey it would be on ground lacrosse
In field hockey, there are eleven different positions numbering to 22 people on the field at once. In ice hockey, there are four (6 if you want to be specific) positions numbering to 12 people on the ice at once.
Field hockey was first played in England but the first men's international was played between Ireland and Scotland. The first women's international was between Ireland and Wales.
field hockey
In the Olympics, there are four events: men's field hockey, women's field hockey, men's ice hockey, women's ice hockey. The first two are played during the Summer Games; the latter two are played during the Winter Games.
A field hockey stick is a field hockey stick. There is no differentiation between those used on either surface; most stick models can and will be used on both.
field hockey
Turf hockey is field hockey.
It means nothing in field hockey.