These sites have games and puzzles to explain the difference between antonyms and synonyms. Look up synonyms in a thesaurus and learn the part of speech. Read the definition of a synonym and an antonym. Included is an eThemes resource on homophones.
These sites are about homophones, which are words that sound the same but are spelled differently and have different meanings. Includes lists of common homophones plus movies, online quizzes and many practice exercises.