affixes.org
Affixes.org is an educational website that serves as a dictionary of English prefixes and suffixes. It contains more than 1,250 entries illustrated by approximately 10,000 examples, with all entries defined and explained. The content is based on Michael Quinion’s Oxford University Press book Ologies and Isms: Word Beginnings and Endings, updated with new entries. The site has no advertisements, and relies on visitor donations via secure PayPal payments to cover running costs.