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Radicals: the family name of every kanji.

Dictionaries file every kanji under one radical. Kanji with the same radical form a family — and the radical often hints at what the family is about.

Often, not always. 法 (law) is filed under 氵 water. We’ll tell you when the hint helps and when it doesn’t.

氵water · さんずい
海 · sea
泳 · swim
池 · pond
The radical shown apart from the rest, for illustration.

Where radicals sit

A radical can sit in seven places. Each place has a name — knowing them helps you spot the radical fast.

へん · left休 海
つくり · right別 教
かんむり · top花 家
あし · bottom思 買
たれ · top-left店 病
にょう · wrap-under近 道
かまえ · enclose国 間

The 20 radicals worth learning first

Ordered by how many of the 1,000 most-used kanji they head. Open families are ready to learn.

Counts: kanji among KANJIDIC2’s 1,000 most frequent whose classical radical is this one (KANJIDIC2 © EDRDG, CC BY-SA 4.0). Positions show where the radical usually sits; some radicals appear in more than one place.

Start with the tree family.

木 and 人 open Rank 1 — ten kanji and your first letter.

Go to Rank 1