Many European countries and cultures have stories of werewolves. Most of the terms used have the similar proto-aryen roots.
Scotland : werewolf, wulver
England :werwolf
Ireland :faoladh or conriocht
Germany : Werwolf
Denmark/Sweden : Varulv
Galicia, Portugal : lobisón, lobisomem
Lithuania : vilkolakis and vilkatlakis
Latvia : vilkatis and vilkacis
Estonia : libahunt
Finland : ihmissusi
Argentina : lobizón, hombre lobo
Italy : lupo mannaro

France : loup-garou
Greece : lycanthropos
Spain : hombre lobo
Bulgaria : varkolak, vulkodlak
Czech Republic : vlkodlak
Serbia : vukodlak
Russia : oboroten, vurdalak
Ukraine : vovkulak, vovkun, pereverten
Croatia : vukodlak
Poland : wilkołak
Romania : vârcolac