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26,551 first names, 70,620 last names, 333,585 kanji variations.
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Kaikun(かいくん)
Aikun( あいくん)
Unchan( うんちゃん)![]()
This name is also used as a surname:
Kaiun
In Japanese culture, kanji are characters that originated from Chinese script, and the meaning of a name changes depending on the kanji characters chosen. The more variations of kanji a name has, the more common it is in Japan. Conversely, a name with very few kanji variations is considered unique and rare. Below are the kanji variations for "Kaiun," ranked by the total number of "Good!" votes.
介 means "to help, to mediate, to separate."
To Help - To assist.
Alone - To be isolated.
Ancient Japanese Official - A fourth-ranking official in ancient Japan, second in rank to the kokushi.
Armor - To wear armor.
Edge - The outermost part of something.
Helping - To assist or aid someone.
Intervening - To come between two or more people or things.
Magnifying - To make something larger or greater.
Mediating - To act as a mediator between two or more parties.
Separating - To divide or keep apart.
Shell - The hard outer covering of certain animals.
To Help - Helping others is the expression of compassion in action, serving those in need. May your child extend helping hands throughout their life, serving others with joy.
Alone - Being alone represents independence, self-reliance, and the courage of solitude. May your child be comfortable alone, finding strength in solitude when needed.
Ancient Japanese Official - The ancient carries the wisdom of ages, connecting us to our ancestral heritage. May your child honor ancient wisdom while creating new paths for the future.
Armor - Armor represents preparation, protection, and the strength to withstand attack. May your child be well-armored in virtue, prepared and protected against life's battles.
Edge - Edges define boundaries, provide sharpness, and mark where one thing meets another. May your child have the edge to cut through confusion, sharp but not harmful.
Helping - Helping represents active engagement and purposeful effort. May your child engage in helping with purpose and skill.
Intervening - Objects serve purposes and remind us of what matters. May your child value things for their true worth and purpose.
Magnifying - Objects serve purposes and remind us of what matters. May your child value things for their true worth and purpose.
Mediating - Mediating represents active engagement and purposeful effort. May your child engage in mediating with purpose and skill.
Separating - Separating represents active engagement and purposeful effort. May your child engage in separating with purpose and skill.
Shell - Shells in ancient Japan were used as currency, representing wealth, protection, and hidden treasures. May your child discover and protect life's hidden treasures, prospering in all endeavors.
韻 means "rhyme, elegance, tone."
Rhyme - Correspondence of sounds in words.
Tone - The quality of sound.
Resonance - A harmonious and beautiful sound.
Style - Refinement, elegance, and grace.
Voice - The remaining part of a single syllable of a kanji, excluding the initial consonant.
Rhyme - Sound represents communication, expression, and making oneself heard. May your child's voice be heard and may they listen well.
Tone - Sound represents communication, expression, and making oneself heard. May your child's voice be heard and may they listen well.
Resonance - Beauty represents appreciation, harmony, and the joy of aesthetics. May your child appreciate beauty and create it wherever they go.
Style - Style - Refinement, elegance, and grace - carries meaning in Japanese naming tradition. May your child embody the positive aspects of style throughout life.
Voice - Voice represents expression, identity, and the power to influence others. May your child find their voice, expressing themselves clearly and influencing good.
一 means "one, once, first."
A Certain - One Particular; some specific.
Little - Something that is small or minimal.
Or - Alternatively; on the other hand.
Solely - Exclusively; only; single-mindedly.
One - One represents beginning, unity, and being first or the best in one's endeavors. May your child be one with their purpose, unified in heart and action, striving for excellence.
Once - Once represents the precious uniqueness of each moment and opportunity. May your child recognize and seize unique opportunities as they arise.
First - Being first represents leadership, pioneering spirit, and the courage to lead the way. May your child be first in character and courage, leading others with integrity.
A Certain - Certainty represents something specific and meaningful, even when unnamed. May your child recognize what is certain and important in their life.
All - All represents completeness, wholeness, and embracing the totality of existence. May your child embrace all of life—its joys and sorrows—with a whole and complete heart.
At a Time - Taking things one at a time represents patience and methodical progress. May your child approach challenges one step at a time with patience.
Indeed - Indeed represents affirmation, truth, and emphatic agreement. May your child speak truth with conviction and recognize it in others.
Little - Little represents appreciation for small things and the power of modest beginnings. May your child appreciate life's small wonders and grow from humble beginnings.
Or - Choice and alternatives open doors to different possibilities. May your child wisely consider alternatives and make good choices.
Same - Sameness represents equality, consistency, and fair treatment of all. May your child treat all equally, consistent in their fairness to everyone.
Slightly - Subtle differences and small adjustments often make significant impact. May your child appreciate subtle nuances that make a difference.
Solely - Solely represents focus, exclusivity, and complete dedication. May your child be solely dedicated to what matters most.
Unify - Unifying represents bringing together, creating harmony, and building consensus. May your child unify those around them in common purpose.
雲 means "cloud, cloud-like."
Cloud - Clouds floating in the sky.
Cloud-like - A metaphor for something high, abundant, excellent, or distant.
Cloud - Clouds symbolize freedom, change, and the transient nature of life in Japanese philosophy. May your child flow freely through life like clouds, adapting gracefully to change.
Cloud-like - Clouds symbolize freedom, change, and the transient nature of life in Japanese philosophy. May your child flow freely through life like clouds, adapting gracefully to change.
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Sorts names by how many different kanji spellings they have. In general, names with more variants tend to be more familiar and widespread in Japan (with some exceptions).
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What is Hiragana?
Hiragana is one of the two Japanese syllabaries. Each character represents a sound (mora), not a meaning. It is used for native words, grammatical particles, verb/adjective endings (okurigana), and to show pronunciation above kanji (furigana). It developed from cursive forms of kanji.
What is Katakana?
Katakana is one of the two Japanese syllabaries. Each character represents a sound (mora), not a meaning. It is mainly used to write foreign words and names, loanwords, onomatopoeia, and for emphasis.
What are English Syllables?
A syllable is a unit of pronunciation in English — it’s the beat you hear when you say a word.
Here are a few quick examples:
cat = 1 syllable
ba-by = 2 syllables
beau-ti-ful = 3 syllables
On this site, English Syllables show how a name naturally breaks into sounds when spoken in English. This helps you understand how English speakers naturally say the name and where they pause between sounds.
What are Japanese Morae?
A mora (plural: morae, Japanese: 拍 Haku) is the basic unit of sound in Japanese — think of it as one rhythmic “beat” when speaking.
Here are a few quick examples:
あ (a) = 1 mora
あい (a-i) = 2 morae
きょう (kyo-u) = 2 morae
On this site, Japanese Morae show how many “beats” a name has in Japanese. Most Japanese names have about 2–4 morae, which affects how natural and rhythmic the name sounds to native speakers.
This helps you see how the name fits into the natural rhythm of Japanese speech.
What is English Transcription?
“English transcription” (romanization) is the romanized form of a Japanese name, intended to reproduce its pronunciation as closely as possible. It is also useful for searching names on this site.
Japanese-Style Nicknames
In Japan, nicknames are used to express familiarity and affection. Typical features include:
Shortened forms: Names are often shortened for closeness, e.g., “Yuki” from “Yukiko” or “Taka” from “Takashi”.
Suffixes: Terms like “-chan” (often for girls, also for young children) and “-kun” (often for boys) are used among family and close friends. Among very close adults, “-chan” may still be used. More details
Use & context: Nicknames are informal—common among friends, family, or close colleagues—and are not suitable for formal or professional settings. Their use implies a certain degree of intimacy.
Long vowels: The long vowel mark “chōonpu” (ー) extends the preceding vowel. For example, “あーちゃん” (A-chan) lengthens the “あ” sound.
Households
Sorts surnames by the estimated number of Japanese households that use them. More households generally indicates a more common or well-known surname.
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