Translated in japanese
Fairy- yosei
Werewolf- okami
Pixie- ko yosei
Sea Surpent- umi hebi

Same as japanese but spelling changed
Dwarf- dawafu
Mermaid- mameido
dragon- dragon (except this)
Unicorn- yunikon
Troll- torouru
Centaur- kentaurosu
Pegasus- pegasasu
Griffin- gurifin
Ghoul goru
Gnome- nomu-
Kappa- kappa

Sorry for very late update.