Prefixes are a group of letters that change the meaning of a word when they are added to the start. Most prefixes mean a similar thing when they're added to different words. Prefixes are a group of ...

Prefixes are a group of letters which change a words meaning when they’re added to the start. Hang on a minute… Are you tidying up? Nice job, looking tidy. That doesn’t sound good… Great, you’ve made ...