Home Misspellings How to spell heirarchial? Heirarchial or hierarchical? Which one is correct? by hersey October 21, 2018 Reading Time: 0min, 7sc + - 0 Heirarchial or hierarchical Which one is correct? You can find the answer below. Incorrect Heirarchial Correct Hierarchical You can find more information about Hierarchical word here. Rate this post Correct spelling of HeirarchialHow do you spell Heirarchial