I ran into a list of denied Finnish surname change applications.
Agape, Agart, Alexzandrowich, Ardin, Axeliin, Axeliini, Axo, Balans, Banderas, Basswood, Bluefild, Campos, Canneliin, Carra, Citronen, Cobra, Corleone, Cristaldi, Cultti, D Arc, Dillinger, d Elèrs, Diezel, Enbäkg, Faithfull, Falkenberger, Falkenbergk, FireIsland, Firèl, Florestan, Fogelgrén, Gansenberger, Garrel, Garré, Gere, Graal, Gramén, Grossbergh, Haffuer, Haze, Heartlove, Hesring, Helysee, Hiraki, Isav, Itkoin, Ivory, Jardin, Juball, Karbiin, Karebin, Katain, Keefas, Koodman, Kuriositeetti, Landzen, Larmer, Laurents, Lazko, Le Laox, Leafhill, Letzen, Loren, Loumann, Lovande, Lovejoy, Luca, Lumberjack, Lunch, Luzeck, Löwenstein, MaGosh, Mateliyan, Mayhill, Melodos, Mentzer, Merill, Micasso, Monro, Navajo, Nicolaij, Nurawa, Nysnöh, Parsek, Pampuin, Quality, Rowanhill, Shalom, Sherydan, Sillan, Srimati, Stonehill, Stroop, Tammuz, Teittin, van Goch, Vendl, von Enborg, von Bach, von Geofur, von Ruusuhellén, Wahermetsä, Vaikuntha, Valencine, Wensku, Wiheriä, Windsson ja Åhlgrow.
Then again, the names Kristallinen, Nuokkuhelmikkä, Potku and Ukkosmyrsky were accepted.