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I've been reading many questions here about radicals, and it seems there is
some confusion over them. My question is:

Apart from the 214 radicals of Kangxi, what are the other
components/elements/primitives which are contained in kanji from the Joyo
kanji list but not listed as 'official radicals' in the 214? In other words, I
am looking for a list of sub-elements which are not considered radicals
(according to Kangxi) but do appear in some kanji on the Joyo kanji list. I'm
sure there are quite a few, but how are they categorized? I'm trying to make
two lists, comprising (a) 'official' radicals, and (b) all other components
which appear in joyo kanji but not in list (a).

To give an example, take the sub-element ⺤ which is part of kanji like 受、妥、採,
etc. As far as I know, this is not on the list of 214 kangxi radicals, but
does appear in several joyo kanji. Therefore, it will be on my list (b). Does
anyone know of a complete list of other such elements?
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2017-10-08T19:26:48.743
53687
2020-10-02T15:47:33.623
25875
question
kanji radicals
Radicals - components outside the 214 Kangxi (but in Joyo list)
Apologies for not answering this question directly, but for all intents and
purposes, such a list is not useful. This is especially true with regards to
the character forms in Japan after simplification ([
_shinjitai_](https://en.wikipedia.org/wiki/Shinjitai)).

_Kangxi radicals_ themselves do not serve a purpose outside of being
dictionary header sections, which is the literal translation of **部首** , and
only act as the Chinese character equivalent of an alphabetical order to
organise dictionaries. While many modern forms of Chinese characters can be
decomposed into primitives, many also cannot, as they may have undergone
extensive graphical changes from the original form.

For example, the ancient forms of
[**史**](http://xiaoxue.iis.sinica.edu.tw/yanbian?kaiOrder=212) and
[**事**](http://xiaoxue.iis.sinica.edu.tw/yanbian?kaiOrder=729) were near
identical, and were distinguished by a **V** -shaped mark near the top. They
both originally referred to some kind of officer in the imperial court. In
Kangxi, they're grouped under the radicals 口 and 亅, respectively, and the
modern form of 史 completely obscures its primitives whereas 事 largely
preserves it (a shape like **中** , depicting a writing-brush container, and
**又** morphed into a shape like 彐, depicting a hand holding this container).

Note, ⺤ is just another graphical form of a hand:

  * **受** depicts a hand passing a boat (originally **舟** , simplified/corrupted into **冖** ) to another hand 又, indicating the meaning _to receive_ and 舟 doubles as the sound cue;
  * **採** was originally just written **采** , which depicts a hand gathering something from a tree **木** , indicating the meaning _to harvest_.
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2017-11-06T16:52:45.047
54303
2017-11-06T16:52:45.047
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answer
Here you go:

  * [All primitives (incl. radicals) in the Joyo Kanji list](https://pastebin.com/6E8Jx89N)
  * [Component form radicals in the Joyo Kanji list](https://pastebin.com/75mxy1Q5)
  * [Full Kangxi radicals in the Joyo Kanji list](https://pastebin.com/kYG44dDf)
  * [Full Kangxi radicals **not** in the Joyo Kanji list](https://pastebin.com/9m8JV3xa)
  * [Non-standard primitives ( **not radicals** ) in the Joyo Kanji list](https://pastebin.com/8wf2jzM2)

* * *

Data mined from

  * <http://www.chise.org/ids/index.html> (IDS sequences)
  * <http://kanji-database.sourceforge.net/> (Joyo Kanji list)
  * <http://www.unicode.org/> (Kangxi radicals list)
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2018-01-06T22:26:39.423
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2018-01-06T23:10:39.003
2018-01-06T23:10:39.003
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answer