デダクション

noun

deduction

Used in contexts such as logic, reasoning, or financial deductions, similar to English 'deduction'.

• 彼かれの推すい理りは見み事ごとなデダクションだった。

  His reasoning was a brilliant deduction.

• 税ぜい金きんのデダクションについて調しらべる。

  I look into tax deductions.