Reading Rockets
Reading Rockets: Reading Topics a to Z: Root Words, Roots, and Affixes
An introduction to using word parts to improve vocabulary skills. Includes charts of common Greek and Latin roots as well as common prefixes and suffixes and their meanings. Each of the four charts can be downloaded.
Virtual Salt
Virtual Salt: Word Roots and Prefixes
At this website, there is a large chart that "Contains some of the common roots and prefixes that make up the building blocks of numerous English words." Columns for roots/prefixes, meanings, and examples are included.