How do you say soul eater in Japanese?

soul is, kontan, kihaku, kon, reikon, hitokage, konpaku

sorry i don't knw eater though =P

The Japanese Word for 'soul' is 'tamashii' (たましい/魂) and eater is 'taberu mono' (たべるもの/食べる者）. Soul Eater, since you are obviously refering to the anime/manga series is so-ru ii-ta- (ソウルイーター）