§ 43. centenary. 7. Pronunciation Challenges. The American Heritage Book of English Usage. 1996

The American Heritage® Book of English Usage.

A Practical and Authoritative Guide to Contemporary English. 1996.

7. Pronunciation Challenges: Confusions and Controversy

§ 43. centenary

The pronunciation with the main stress on the first syllable is the correct historical pronunciation, but the pronunciation with stress on the second syllable, which probably came about through association with centennial, is now equally common.	1