KPIX 5 and KCBS are teaming up to host the CBS Bay Area Spelling Bee, an event to determine the Bay Area representative to the Scripps National Spelling Bee.

On March 15th, finalists from across the Bay Area will be asked to conjure the correct spelling of some of the most obscure words in the English language. We wanted to know, would you be up to the challenge?

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Each day we will provide the definition and origin of a word that ended the national spelling bee to see if you can spot the correct answer among 4 options.

Today’s word is from New Latin and means  “substitute.” It was spelled correctly by Sean Conley to win the 2001 final. Do you know it?

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Scroll below the following photo to reveal the correct spelling.

Pronouncer and 1980 champion Dr. Jacques Baily listens during the championship round at the Scripps National Spelling Bee. (Brendan Smialowski/AFP/Getty Images)

Pronouncer and 1980 champion Dr. Jacques Baily listens during the championship round at the Scripps National Spelling Bee. (Brendan Smialowski/AFP/Getty Images)

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The correct spelling of the 2001 winning word is succedaneum.