Home Misspellings How to spell postumous? Postumous or posthumous? Which one is correct? by hersey October 9, 2018 Reading Time: 0min, 7sc + - 0 Postumous or posthumous Which one is correct? You can find the answer below. Incorrect Postumous Correct Posthumous You can find more information about Posthumous word here. Rate this post Correct spelling of PostumousHow do you spell Postumous