As you'll see in this clip, he got a word that may have sounded a tad familiar, but not from any of his studying. As the crowd laughter indicates, he wasn't the only one who misheard the judge. It was, as far as I can remember from my extensive spelling bee viewing, the funniest moment in spelling bee history. Enjoy.
Priceless, no? My favorite was his commentary after the confusion was over: "That's a relief."
Yes, indeed, Sameer. A comic one.