と同じで / と違って【とおなじで / とちがって】

The expressions と同じで and と違って are used to compare two things by stating that something is similar to or different from something else. They set up a comparison at the beginning of a clause, with the rest of the sentence describing what is similar or different.

と同じで – "like / the same as"

と同じで indicates that something shares a quality or characteristic with something else. It connects to the following clause to explain what is the same.

You can also use と同じように for a similar meaning, emphasizing the manner in which something is the same. とおなじ同じで focuses more on stating the shared attribute, while とおなじよう同じように emphasizes doing something in the same way.

と違って – "unlike / different from"

と違って indicates that something contrasts with or differs from something else. The rest of the sentence describes how it is different.

Usage notes

• Both expressions typically appear at the beginning of a sentence or clause to set up the comparison before stating the main point.
• The particle と marks the thing being compared to.
• These forms come from the te-form of おなじ同じだ (to be the same) and ちがう違う (to differ), so they function as conjunctive phrases linking two clauses.
• In more formal speech or writing, とは違って (with the contrastive は) can be used to add emphasis to the contrast.
  そうぞう想像とはちがって違って、じっさい実際はとてもかんたん簡単だった。

  Unlike what I imagined, it was actually very easy.