My preference is that you stop baking and go outside. Here are some further examples of adding suffixes -ed and -ing to words ending in 'fer'. Notice how the letter 'r' is doubled in the new word.

My preference is that you stop baking and go outside. Here are some further examples of adding suffixes -ed and -ing to words ending in 'fer'. Notice how the letter 'r' is doubled in the new word.