A glossary of Japanese words and phrases that have appeared in various English language works. Posted by Brian Smaller as a reference for the RPG he runs.
I can't guarantee the accuracy of his translations, and frankly ,if I understand where he got them correctly, neither can he. It does seem to be pretty accurate to me. In any case, it makes a good quick reference.
The definition of Tanuki wrongly calls it a badger.
Also bear in mind that although he is focused on the Sengoku Jidai his definitions sometimes incorporate material from different eras. He also fails to provide a context in some definitions relating to culture so be aware that practices that were common for those of one class or geographical area may differ from those of others.