Home Misspellings How to spell aditional? Aditional or additional? Which one is correct? by hersey December 31, 2016 Reading Time: 0min, 7sc + - 0 Aditional or Additional Which one is correct? You can find the answer below. Incorrect Aditional Correct Additional You can find more information about Additional word here. Rate this post Correct spelling of aditionalHow do you spell aditional?