When you add a suffix to a word ending in 'fer' you sometimes need to double the 'r', but how do you know when? When you add a suffixes and the second syllable of the new word is stressed, then you ...
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.