The Swedish word for 'Crazy' is 'Galen'.
Idiot is idiot in Swedish. It isn't pronounced the same way as in English tho. It's pronounced with a long "o", kinda like you would say "woot". Just say "idioot" with a similar o-sound.
Crazy is galen or galet depending on the grammatical gender of the word you are describing.
And is "och" in swedish.
På svenska
"King" in Swedish is "kung".
Suedoise is French for Swedish.
Equality is "jämlikhet" in Swedish.
"Goal" in Swedish is "mål".
Cup is kopp in Swedish.
Spaceship is rymdskepp in Swedish.
Judge is domare in Swedish.
Adventures is äventyr in Swedish.