Prefixes & suffixes
Prefixs are added to the beginning of a word to make a new word, eg mis+take. Some common prefixes are 'mis', 'dis', 're', 'for', 'anti', 'ante', 'sub', 'un' and 'in'. New words are made by placing a prefix in front of a word. It is helpful to know the meanings of prefixes. Prefix 're' means again, therefore reappear means to appear again.
The following prefixes of 'im', 'ir', 'il', 'in' and 'un' can be added to the beginning of words to make them into a negative.
Letters added to the end of a main word are called suffixes. Common suffixes are: 'ed', 'ful', 'ly', 'ing', 'able', 'ance', 'ence', 'ness'.
When 'full' is added to a word you drop the final 'l'. If you add 'ly' to any word ending with 'ful' you keep the existing 'l'.
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