Commonly Confused Words
1 / 15Affect or effect? Complement or compliment? Test your knowledge of tricky word pairs!
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Which sentence uses the correct word?
About Commonly Confused Words
Affect or effect? Complement or compliment? Test your knowledge of tricky word pairs! Commonly Confused Words packs 15 multiple-choice questions with a mix of 6 medium, 5 easy, 4 hard questions into a relaxed session of roughly 7 minutes — no sign-up, no timer pressure. An explanation appears after every answer, and finishing once a day keeps your streak alive.
A few sample questions
1. Which sentence uses the correct word?
Answer: The weather will affect our plans.
'Affect' is a verb meaning to influence. 'Effect' is usually a noun meaning the result. The weather influences (affects) plans.
Frequently asked questions
Can I print Commonly Confused Words?
Yes — use the Print button at the top of the page for a clean question sheet, or "Print with Answers" to make an answer key. Printed sheets work well for group play at home, in a classroom, or at a senior center.
Will I lose my progress if I close the page?
Your overall progress — XP, streaks, and badges — is saved in your browser automatically. A quiz that's underway restarts if you leave mid-game, but at about 7 minutes, Commonly Confused Words fits comfortably in one sitting.
How many questions are in Commonly Confused Words?
Commonly Confused Words has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.
Is Commonly Confused Words free to play?
Yes. The entire SeniorBrainGames catalog — including Commonly Confused Words — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.
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