Oftentimes also means “often.” It is not wrong. You will still meet it in American speech and writing — a little old-fashioned, a little folksy, sometimes used when someone wants a slower rhythm than plain often. British English uses it less.

Oftentimes also means 'often.'Oftentimes的意思也是「often」（常常）。It is not wrong這樣用並沒有錯。You will still meet it in American speech and writing你還是會在美式口語和寫作裡遇到它——a little old-fashioned, a little folksy有點老派、有點鄉土味，sometimes used when someone wants a slower rhythm than plain often有時候是有人想要比單純的often更慢一點的節奏時會用。British English uses it less英式英文比較少用它。

It does not change the meaning; it only changes the dress. “I oftentimes wonder” and “I often wonder” say the same thing. Students do not need this word in their own writing; often is cleaner and fits more rooms.

It does not change the meaning它不會改變意思；it only changes the dress只是換了一件外衣。'I oftentimes wonder' and 'I often wonder' say the same thing「I oftentimes wonder」跟「I often wonder」講的是同一件事。Students do not need this word in their own writing學生自己寫作不需要用到這個字；often is cleaner and fits more roomsoften比較乾淨俐落，也比較適合各種場合。

Though actually, the -s on the end is an old adverb ending, the same kind you see in besides, and in some dialects anyways: a little -s sitting on oftentime. There is a rarer form oftentime without that -s. Neither is more precise than often. They are just older coats for the same idea.

Though actually不過，the -s on the end is an old adverb ending結尾的-s其實是一個古老的副詞字尾，the same kind you see in besides跟besides裡的一樣，and in some dialects anyways某些方言裡anyways也有這個用法：a little -s sitting on oftentime一個小小的-s加在oftentime後面。There is a rarer form oftentime without that -s還有一個比較少見的形式oftentime，沒有那個-s。Neither is more precise than often這兩個都不會比often更精確。They are just older coats for the same idea它們只是同一個概念的舊外衣。