Blog

-tion or -sion? A Simple Spelling Rule You Can Tell from Verb Endings

decide becomes decision, and act becomes action. Both are noun suffixes, but why does one use -sion and the other -tion? Actually, you can tell just by looking at how the original verb ends. This article gives you a handy rule to take away, plus a quick guide to common noun suffixes, so you can spell long words with confidence.