TESL Journal
Activities for Esl Students: English Only Homonym Quizzes
A vast number of self-study quizzes on homonyms especially designed for English language learners. Using self-scoring drill-and-practice exercises, the Internet TESL Journal helps learners avoid common word-usage errors.
Capital Community College Foundation
Guide to Grammar and Writing: The Notorious Confusables
This 12 question quiz covers commonly confused words such as than/then, it's/its, and whether/weather. Links are provided to more quizzes and the "Guide to Grammar and Writing."
Soft Schools
Soft Schools: Confusing Words Quiz: Accept/except, Affect/effect
This 12 question quiz asks students to select the correct words to fit in sentences. Java is required.