Home Misspellings How to spell certian? Certian or certain? Which one is correct? by hersey September 12, 2018 Reading Time: 0min, 7sc + - 0 Certian or certain Which one is correct? You can find the answer below. Incorrect Certian Correct Certain You can find more information about Certain word here. Rate this post Correct spelling of CertianHow do you spell Certian