If you meant to type "accc" but ended up with a typo, here are some possible correct suggestions. It could be "acc", "ace" or "acid". However, without any context or specific intended meaning, it's difficult to determine the exact correction.
arc In geometry, an arc is a curved line segment in a plane.
ARCS He sometimes helps out at ARCS, a local charity.
ECCL The ECCL is an international organization of conservationists.
icc The ICC is the only international organization that has the power to prosecute individuals for the international crimes of genocide, war crimes, and crimes against humanity.