Prefixes and SuffixesHeidi ReinaNovember 21, 2009Vocabulary & Spelling Pinky the Mouse and Ela the Elephant will help you to learn the meaning of some prefixes and suffixes while you play a game. The prefixes include pre-, un-, re-, bi- . The suffixes include -ed, -er, -ful, -ly, -s. Previous Post Calculating with Fractions Next Post News Room Editing