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Evidence-led referenceJapanese names, readings and kanji
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ReferenceNamesRukako
Canonical reference record
JMnedict-backedKANJIDIC2 character context
Japanese given name

Rukako

るか子

Female-classified given-name records.

るかこルカコRukako
Compare spellings
Reference coverage

Extended source depth

This reading group has a comparatively broad dictionary footprint across source-recorded spellings or records. The counts describe corpus coverage, not real-world popularity.

Distinct recorded spellings56

group-level written forms

Source spelling/reading rows56

records contributing to this reading group

Coverage levelExtended

based only on the imported source footprint

Pronunciation & romanization

How to read Rukako

The kana reading is source-recorded. Romanization and mora segmentation are deterministic reading aids generated from that kana; pitch accent is not inferred.

Source readingるかこ

Normalized to hiragana for comparison.

Katakana formルカコ

The same reading converted to katakana.

RomanizationRukako

Macron-style display. Vowel-sequence form: Rukako. Personal spelling and true vowel boundaries can differ.

Mora segmentationる · か · こ

3 morae in this reading. Small ゃ/ゅ/ょ-type kana join the preceding mora.

Audio note: the play button uses Japanese text-to-speech provided by the visitor’s browser/device. It is a convenience preview, not a recorded native-speaker pronunciation or pitch-accent authority.

Reading profile

How Rukako is represented

These counts describe records in the imported name corpus. They are not a ranking of how popular a spelling is among people in Japan.

Recorded kana readings1

るかこ

Kanji-based spellings56

among the forms analyzed on this page

Kana characters3

in the primary dictionary reading

Morae3

small ゃ/ゅ/ょ-type kana combine with the preceding mora

1-kanji forms1

recorded spelling

3-kanji forms55

recorded spellings

JMnedict classification evidence

How this reading is classified in the source corpus

This separates dictionary classification from popularity. The same exact kana reading can be recorded as a given name, a surname, or both, and given-name records can carry male, female or unspecified source labels.

Primary reading recorded asGiven name

るかこ in the imported JMnedict corpus

Given-name written forms56

56 source spelling/reading rows

Surname written forms0

0 source spelling/reading rows

Given-name labelsfemale 56

row counts carrying each JMnedict source label

Exact readingGiven-name evidenceGiven-name labelsSurname evidence
るかこRukako5656 source rowsfemale 56source rows · distinct forms: female 5600 source rows

Classification boundary: male/female/unspecified are labels attached to imported JMnedict name records. They are not population shares, probabilities, identity claims, or evidence that a spelling is currently common in Japan. A source row can also be repeated across different written forms, so row counts and distinct-writing counts are shown separately.

Spelling anatomy

Corpus structure behind Rukako

This section summarizes the exact source-recorded forms loaded for this reading group. Stroke and character-position statistics are descriptive corpus properties, not popularity or style scores.

Kanji forms with complete stroke data56

3–31 strokes observed span

Median total strokes23

among forms with complete KANJIDIC2 stroke data

All-kanji name-classified forms38

all component kanji loaded as jōyō/jinmeiyō classes

Other/unclassified kanji forms18

contains at least one character outside that loaded classification

Source-reading distribution
ReadingRomanizationMoraeForms
るかこRukako356
Recurring adjacent kanji sequences
伽子6 analyzed forms佳子6 analyzed forms加子6 analyzed forms夏子6 analyzed forms果子6 analyzed forms歌子6 analyzed forms

Shown only when the same adjacent two-kanji sequence occurs in at least two analyzed source forms. Open a sequence in Kanji Pair Research for corpus co-occurrence context.

Reading ambiguity

Can the same writing be read another way?

None of the 56 displayed written forms has a second given-name reading in the active JMnedict corpus. This is dictionary-record ambiguity, not a prediction of how a particular person reads the name.

Written forms checked56

distinct spellings displayed on this page

Multiple recorded readings0

exact written forms with 2+ source readings

Single recorded reading56

within this active given-name corpus

Largest reading set1

distinct kana readings for one displayed writing

A reading shown without a link is still source-recorded, but its destination group does not currently meet the canonical publication standard. Strong reference pages do not promote limited records merely to create extra internal links.

Kanji role reference

How recurring characters function across Rukako spellings

Position counts are calculated only from the distinct written forms analyzed for this page. KANJIDIC2 nanori are character-level name-reading references; they are not used here to decompose or assert the reading of a specific multi-kanji name.

KanjiCharacter glossesFormsFirstFinalInternalSoloStrokesKANJIDIC2 nanoriLoaded class
子child, sign of the rat, 11PM-1AM56056003い, き, ぎ, く +2Jōyō · KANJIDIC grade 1
瑠lapis lazuli101000014るりJōyō · KANJIDIC grade 8
婁frequently, tie9900011ろUnclassified in the loaded KANJIDIC grade field
屡often, frequently9900012—Unclassified in the loaded KANJIDIC grade field
流current, a sink, flow9900010な, ながれ, めぐるJōyō · KANJIDIC grade 3
琉precious stone, gem, lapis lazuli9900011—Jinmeiyō · KANJIDIC grade 9
留detain, fasten, halt9900010とめJōyō · KANJIDIC grade 5
伽nursing, attending, entertainer600607—Jinmeiyō · KANJIDIC grade 9
佳excellent, beautiful, good600608けい, よしJōyō · KANJIDIC grade 8
加add, addition, increase600605—Jōyō · KANJIDIC grade 4
夏summer6006010—Jōyō · KANJIDIC grade 2
果fruit, reward, carry out600608みJōyō · KANJIDIC grade 4

Counts describe this source-recorded spelling set, not population use. A repeated kanji can contribute to more than one position role across different spellings.

Exact writing research map

Move from a spelling to its readings, characters and literal sequence context

These relationships are exact and source-backed. Whole-name readings shown in each card come from JMnedict within the current name class; exact-writing search can surface records from other name classes. Character links open KANJIDIC2-backed kanji pages. Sequence context means the same kanji string occurs contiguously in another recorded written form—it does not prove shared origin or meaning.

Showing research maps for the first 10 distinct written forms out of 56. Every detailed spelling card below still links to exact-writing search and its component kanji.

For VPS safety, contiguous-sequence lookups are limited to six 2–4 kanji forms per canonical page and cached for 12 hours per active JMnedict generation.

Corpus pattern

Kanji recurring across Rukako spellings

Only characters appearing in at least two distinct analyzed spellings are shown here. Frequency describes this source-recorded spelling set, not real-world baby-name popularity.

子child, sign of the rat, 11PM-1AM56 of 56 analyzed forms瑠lapis lazuli10 of 56 analyzed forms婁frequently, tie9 of 56 analyzed forms屡often, frequently9 of 56 analyzed forms流current, a sink, flow9 of 56 analyzed forms琉precious stone, gem, lapis lazuli9 of 56 analyzed forms留detain, fasten, halt9 of 56 analyzed forms伽nursing, attending, entertainer6 of 56 analyzed forms佳excellent, beautiful, good6 of 56 analyzed forms加add, addition, increase6 of 56 analyzed forms
Same reading, different writing

Explore written forms of Rukako

56 source-recorded forms use the primary source reading るかこ. Other source readings can appear in this romanized group when the imported records converge on the same index form. Use Compare to inspect exact spellings side by side.

Spelling comparator

Compare Rukako forms side by side

Each exact written spelling appears once in this table even when JMnedict records more than one reading for that writing. Stroke totals and character glosses come from KANJIDIC2 when all component kanji are available.

SpellingOne source readingCharacter-level glossesTotal strokesLoaded character class
るか子るかこ子 — child, sign of the rat3All kanji jōyō/jinmeiyō-classified
婁伽子るかこ婁 — frequently, tie · 伽 — nursing, attending · 子 — child, sign of the rat21Includes unclassified/outside loaded jōyō-jinmeiyō class
婁佳子るかこ婁 — frequently, tie · 佳 — excellent, beautiful · 子 — child, sign of the rat22Includes unclassified/outside loaded jōyō-jinmeiyō class
婁加子るかこ婁 — frequently, tie · 加 — add, addition · 子 — child, sign of the rat19Includes unclassified/outside loaded jōyō-jinmeiyō class
婁夏子るかこ婁 — frequently, tie · 夏 — summer · 子 — child, sign of the rat24Includes unclassified/outside loaded jōyō-jinmeiyō class
婁果子るかこ婁 — frequently, tie · 果 — fruit, reward · 子 — child, sign of the rat22Includes unclassified/outside loaded jōyō-jinmeiyō class
婁歌子るかこ婁 — frequently, tie · 歌 — song, sing · 子 — child, sign of the rat28Includes unclassified/outside loaded jōyō-jinmeiyō class
婁花子るかこ婁 — frequently, tie · 花 — flower · 子 — child, sign of the rat21Includes unclassified/outside loaded jōyō-jinmeiyō class
婁華子るかこ婁 — frequently, tie · 華 — splendor, flower · 子 — child, sign of the rat24Includes unclassified/outside loaded jōyō-jinmeiyō class
婁香子るかこ婁 — frequently, tie · 香 — incense, smell · 子 — child, sign of the rat23Includes unclassified/outside loaded jōyō-jinmeiyō class
屡伽子るかこ屡 — often, frequently · 伽 — nursing, attending · 子 — child, sign of the rat22Includes unclassified/outside loaded jōyō-jinmeiyō class
屡佳子るかこ屡 — often, frequently · 佳 — excellent, beautiful · 子 — child, sign of the rat23Includes unclassified/outside loaded jōyō-jinmeiyō class
屡加子るかこ屡 — often, frequently · 加 — add, addition · 子 — child, sign of the rat20Includes unclassified/outside loaded jōyō-jinmeiyō class
屡夏子るかこ屡 — often, frequently · 夏 — summer · 子 — child, sign of the rat25Includes unclassified/outside loaded jōyō-jinmeiyō class
屡果子るかこ屡 — often, frequently · 果 — fruit, reward · 子 — child, sign of the rat23Includes unclassified/outside loaded jōyō-jinmeiyō class
屡歌子るかこ屡 — often, frequently · 歌 — song, sing · 子 — child, sign of the rat29Includes unclassified/outside loaded jōyō-jinmeiyō class

The comparison table shows the first 16 distinct written forms; the detailed cards above show up to 80 spelling/reading records.

What does Rukako mean?

There is not necessarily one fixed English meaning. The reading identifies the spoken name; different written forms can use different kanji. Character glosses describe individual kanji and should not be treated as proof of the intention behind a particular person’s name.

Related readings

More names beginning with るか

Related by the opening kana of the dictionary reading. This is a deterministic browsing relationship, not a claim that the names share the same meaning.

Given name · female · limited reference

Ruka

79 recorded spellings

Explore →
Continue research

Where to go next from Rukako

Use literal reading, character and corpus relationships to continue without treating nearby records as automatically related.

Exact reading

Search るかこ

See source records matching this kana reading or beginning with it.

Continue →Reading family

Ru / る

Browse other public given names with the same opening reading family.

Continue →Character reference

子 — child, sign of the rat

Open the kanji page for readings, classifications and literal name-use context.

Continue →Character reference

瑠 — lapis lazuli

Open the kanji page for readings, classifications and literal name-use context.

Continue →Interactive discovery

Open Name Explorer

Use the same name type and 3-mora reading length as a starting point.

Continue →
Evidence on this page

What each source establishes

JMnedict establishes recorded written forms, readings and name classifications; where safely associated, this page can also show JMnedict-supplied trans_det source text without treating it as a whole-name meaning. KANJIDIC2 supplies character readings, nanori, stroke counts, grade classes and English character glosses. The Ministry of Justice remains the official reference for Japanese child-name character rules. The Agency for Cultural Affairs romanization guidance is the reference for generated Latin-script reading aids.

JMnedictChecked 17 Sep 2026Active data built 16 Sep 2026Stored status: downloaded
KANJIDIC2Checked 17 Sep 2026Active data built 17 Sep 2026
Japan Ministry of Justice — characters usable in children’s namesChecked 17 Sep 2026
Japan Agency for Cultural Affairs — Romanization Rules (2025)Checked 17 Sep 2026
Source boundary

The spelling-frequency and structural counts on this page are calculated from imported JMnedict records. They are corpus counts, not population-frequency claims. KANJIDIC2 supplies the kanji metadata used in character and stroke comparisons.

Review sources →