A suffix is a letter or a group of letters that are added to the end of a word to make a new word. Here are some tips on using the suffixes '-able', '-ous' and '-ly'. The act of selling is a sale.

Prefixes are a group of letters that change the meaning of a word when they are added to the start. The prefix un- usually means 'not', so the new word means the opposite of the original. In this ...

In this lesson, find out how you can work out the meanings of complex science words by learning about prefixes and suffixes specific to science.

Prefixes are a group of letters that change the meaning of a word when they are added to the start. The prefix un- usually means 'not', so the new word means the opposite of the original. In this ...