So here’s a quick recap of the ‘Rules for adding the suffixes–er, -ing, -ed, -est and –y.’ VO:Rule 1 is that for any word that ends in two consonants you just add the suffix. Words like ...

If the root word ends with 'ch' (teach), the word ending is 'er'. All we have to do is follow words that end with the sound 'ture' or 'sure', to find a mysterious creature! Which spelling is correct?