始める vs 開始

Japanese word comparison

How they differ

開始 is a noun, not a verb, so it names the start itself rather than the act of starting. Compared with 始める, it sounds more objective and official, and it is often used in phrases like 開始する or 開始時間.

When to use each

When to use 始める: Use 始める when you need a normal verb meaning to begin an action.

When to use 開始: Use 開始 when you want to refer to the starting point, start time, or formal commencement of something.

Side-by-side examples

1. 仕事を始めるのが早い。
   (You start work early.)
2. 仕事の開始は8時です。
   (Work starts at 8 o’clock.)

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More 始める comparisons

• 始める vs 始まる
• 始める vs 開始する