The German word for werewolf is Werwolf (it must always have a capital letter).
There is a very amusing poem by Christian Morgenstern about a Werwolf who visits a (dead) schoolmaster.
The Roman word for werewolf is lycanthrope
Those letters will spell werewolf.
Yes, the word "werewolf" is a noun, a word for a creature in folklore; a word for a person (a thing?).
There is a Scottish werewolf that is called a "wulver."
Russia. The russian word for wolf is volk, which is the german word for folk (people). The russian word for to be and to howl are only off by one letter. It is common for new russian speakers to comment on how they howled in such-and-such place. Forget Hungary and Romania, Russia has got to be the most werewolf populated country on Earth.
the latin word for werewolf is versipellis.
It comes from "wolf" and the archaic word "wer" meaning "man". A werewolf is literally a wolf-man.
werewolves
Lycanthrope is a word better known as werewolf which is from the Greek language. Lycanthropy is the ability for a human to change their appearance into becoming a werewolf. One can find more history on the word lycanthropy by researching the word werewolf at Wikipedia.
werewolf
You would cal a werewolf Amarak, which is the word for wolf, but from context you would understand it to be someone who's spirit animal is wolf.
Werewolves are not part of Gaelic folklore - there is no word for it.