Corpus composition research

Kanji Pair Research

Enter one kanji to discover other characters recorded in the same JMnedict name spellings, or enter two kanji to inspect that exact co-occurrence. Every count in this research view describes the imported corpus—not population popularity in Japan.

筒

Jōyō · KANJIDIC grade 8 · 12 strokes

cylinder, pipe, tube

井

Jōyō · KANJIDIC grade 4 · 4 strokes

well, well crib, town

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Source rows containing both6

Distinct written forms3

Given-name readings0

Surname readings4

Adjacent 筒井 forms2

Adjacent 井筒 forms1

Recorded names

Name readings containing both characters

The pair only has to occur in the same written form; the two kanji are not required to be adjacent unless counted in the adjacency statistics above.

Surname

筒井

Tsutsui

つつい

2 source-recorded spellings in this reading group contain both 筒 and 井Surname

井筒

Itō

いとう

1 source-recorded spelling in this reading group contain both 筒 and 井Surname

井筒

Izu

いず

1 source-recorded spelling in this reading group contain both 筒 and 井Surname

井筒

Izutsu

いずつ

1 source-recorded spelling in this reading group contain both 筒 and 井

Evidence boundary

Co-occurrence is not popularity or etymology

The pair relation comes from exact JMnedict source rows through the compact kanji-usage index. KANJIDIC2 contributes character metadata only. A high corpus count can reflect dictionary coverage and should not be read as a national usage frequency.