Due to closing down the old server, the Finnish WordNet (FinnWordNet) is now available on the platform Sanat provided by the Language Bank of Finland. In Sanat, you can make searches in FinnWordNet. If you wish to make use of FinnWordNet in your own technical applications, you can access the downloadable version of FinnWordNet.
Reference instructions of the current versions of the Finnish WordNet:
University of Helsinki (2010). The Sanat Version of the Finnish WordNet [text corpus]. Kielipankki. Retrieved from http://urn.fi/urn:nbn:fi:lb-2016042504
University of Helsinki (2010). The Downloadable Version of the Finnish WordNet [text corpus]. Kielipankki. Retrieved from http://urn.fi/urn:nbn:fi:lb-2016042503