IAEA = International Atomic Energy Agency. “Serves as the world’s foremost intergovernmental forum for scientific and technical co-operation in the peaceful use of nuclear technology.” [from here].
IKEA = Ingvar Kamprad Elmtaryd Agunnaryd. “A unique concept offering quality home furnishings at a low price at numerous stores around the world.” [from here].
It’s important to keep these things clear.