Most common spelling mistakes in English? on April 04, 2017 Get link Facebook X Pinterest Email Other Apps These are the five most common spelling errors in English: Separate - the ‘a’ becomes an ‘e’ Definitely - many sound out ‘definately’ when they mean definitely Manoeuvre - French Embarrass - double trouble Occurrence - double trouble, ‘c’ or ‘s’ Download a free printable version of top 20 From the English FAQ Teaching Pack (£1.99)