Learn Japanese while reading Manga with our new Manga Reader Tool!

Nihongo

Classroom

How to say 'Same' or 'Identical' in Japanese | 同一

Wondering how to say 'Same' or 'Identical' in Japanese? You're in the right place!

The Japanese word for Same or Identical is 'Douitsu', written as 同一 in Japanese.'Same' or 'Identical' in hiragana is どういつ.

    word

    同一

    Meaning

    Same, Identical

    Reading

    どういつ

    douitsu

    Kanji

    同Same 一One

    Explanation

    The Japanese adjectival noun '同一 (どういつ)' means 'same' or 'identical'. It is used to describe things that are exactly alike or indistinguishable in nature, quality, or characteristics. This word is often used in formal or technical contexts, such as in legal documents, scientific discussions, or when comparing objects or ideas. For example: These two documents are identical「これらの二つの書類は同一です」(これらのふたつのしょるいはどういつです). The two theories are the same in essence「二つの理論は本質的に同一だ」(ふたつのりろんはほんしつてきにどういつだ). Note that '同一' is often followed by particles like 'の' or 'である' to modify nouns or form predicates.

    Part Of Speech

    adjectival noun

    Kanji JLPT

    N4

    Kanji Grade

    2

    Frequency

    2605

    Composition

    kanji

    Handwriting

Kanji in the Word 同一

This word contains 2 kanji characters:

  • kanji

    同

    Meaning

    Same

  • kanji

    一

    Meaning

    One

Words Related to 同一 Through the Kanji 同

These 20 Words contain the Kanji 同 as well.

  • word

    同じ

    Meaning

    Same

  • word

    同時

    Meaning

    Simultaneous

  • word

    同様

    Meaning

    Same

  • word

    同

    Meaning

    Same

  • word

    同じく

    Meaning

    Also

  • word

    共同

    Meaning

    Cooperation

  • word

    合同

    Meaning

    Joint, Combination

  • word

    同盟

    Meaning

    Alliance

  • word

    同僚

    Meaning

    Colleague

  • word

    同年

    Meaning

    Same year

  • word

    一同

    Meaning

    Everyone

  • word

    同情

    Meaning

    Sympathy

  • word

    同性

    Meaning

    Same sex

  • word

    同等

    Meaning

    Equality, Equivalence

  • word

    同意

    Meaning

    Consent, Agreement

  • word

    同士

    Meaning

    Companion

  • word

    同級生

    Meaning

    Classmate

  • word

    同居

    Meaning

    Cohabitation

  • word

    同姓

    Meaning

    Same surname

  • word

    同封

    Meaning

    Enclosure

Words Related to 同一 Through the Kanji 一

These 64 Words contain the Kanji 一 as well.

  • word

    一

    Meaning

    One

  • word

    一つ

    Meaning

    One

  • word

    一人

    Meaning

    Alone, One person

  • word

    一寸

    Meaning

    A bit

  • word

    一緒に

    Meaning

    Together

  • word

    一般

    Meaning

    General

  • word

    一番

    Meaning

    Most

  • word

    一方

    Meaning

    Side, On the other hand

  • word

    一人で

    Meaning

    Alone

  • word

    一昨年

    Meaning

    Year before last

  • word

    一昨日

    Meaning

    Day before yesterday

  • word

    一部

    Meaning

    Part

  • word

    一杯

    Meaning

    Full, A lot

  • word

    一定

    Meaning

    Fixed

  • word

    一日

    Meaning

    First

  • word

    一生

    Meaning

    Lifetime

  • word

    一言

    Meaning

    Word

  • word

    一瞬

    Meaning

    Instant

  • word

    一生懸命

    Meaning

    Hard, Earnestly

  • word

    一層

    Meaning

    More

  • word

    一旦

    Meaning

    Once

  • word

    一時

    Meaning

    Temporarily, Once

  • word

    一体

    Meaning

    Really

  • word

    一向に

    Meaning

    Not at all

  • word

    一員

    Meaning

    Member

  • word

    一度に

    Meaning

    At once

  • word

    一部分

    Meaning

    Part

  • word

    一段と

    Meaning

    More

  • word

    唯一

    Meaning

    Only

  • word

    一切

    Meaning

    Not at all

  • word

    一気

    Meaning

    All at once

  • word

    一種

    Meaning

    A kind

  • word

    一応

    Meaning

    Tentatively

  • word

    一般に

    Meaning

    Generally

  • word

    一人一人

    Meaning

    Each person

  • word

    一見

    Meaning

    At first glance

  • word

    一家

    Meaning

    Family

  • word

    一周

    Meaning

    Lap

  • word

    一緒

    Meaning

    Together

  • word

    一面

    Meaning

    Whole area

  • word

    一族

    Meaning

    Clan, Family

  • word

    一斉

    Meaning

    Simultaneous

  • word

    一致

    Meaning

    Match

  • word

    一行

    Meaning

    Group

  • word

    一貫

    Meaning

    Consistency

  • word

    一遍に

    Meaning

    All at once

  • word

    一々

    Meaning

    Every, Each

  • word

    一斉に

    Meaning

    Simultaneously

  • word

    一連

    Meaning

    Series

  • word

    一向

    Meaning

    Not at all

  • word

    一まず

    Meaning

    For now

  • word

    万一

    Meaning

    If

  • word

    一休み

    Meaning

    Rest

  • word

    一通り

    Meaning

    Generally, Roughly

  • word

    一口

    Meaning

    Bite, Sip

  • word

    一目

    Meaning

    Glance, First move

  • word

    一同

    Meaning

    Everyone

  • word

    第一

    Meaning

    First

  • word

    一流

    Meaning

    Top class

  • word

    一帯

    Meaning

    Area

  • word

    統一

    Meaning

    Unification

  • word

    一段

    Meaning

    Step, Level

  • word

    一覧

    Meaning

    List

  • word

    腹一杯

    Meaning

    Full

Learn the Word 同一

Let's make sure you fully understand this word.

What does 'Douitsu' (同一) mean?

'Douitsu' means 'Same' or 'Identical' .

To help you master this word, here's an interactive lesson where you'll practice its readings and meanings.