The verb for change is かえる。 Which kanji is used for changing a TV channel?
Which kanji should be used, and why? Even native Japanese websites appear
confused. Is it: 返る・変える・替える・換える？

I must be hanging around the wrong Japanese people. Even they don't seem
sure!!
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2013-12-27T04:55:43.630
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kanji
Which kanji to use for 'change television channel'?
It's definitely not 返る (or, for that matter, 帰る). 大辞林 has this to say about
the use of kanji:

> 「替える」は“同種の物といれかえる”の意。「メンバーを替える」「シーツを替える」
> 「換える」は“他の物ととりかえる。交換する”の意。「宝石を金（かね）に換える」
> 「代える」は“代用する。代理とする”の意。「挙手をもって投票に代える」「命には代えられない」
> 「変える」は“状態を変化させる。場所を移す”の意。「髪形を変える」「態度を変える」「住所を変える」「位置を変える」「血相を変える」

Accordingly, I would go with 替える or 変える. This is supported by various
chiebukuro answers: [1](http://oshiete.goo.ne.jp/qa/1307225.html)
[2](http://okwave.jp/qa/q1307225.html)
[3](http://qanda.rakuten.ne.jp/qa1307225.html). Incidentally, the better word
to use is 切り替える.
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People seem to hate answers without conclusivity, but I think this is a case
where uncertainty is the answer. Japanese, like all languages, is in flux. As
such, there are cases where there is not yet overwhelming consensus on ways of
expressing certain ideas, and I believe that this is one of those cases.

Consider in English that there is controversy about whether "microphone"
should be abbreviated to "mike" or "mic". I personally [stand by
"mike"](http://www.sambayer.com/tirades/whymike.html), but there are a lot of
people who _insist_ it must be "mic". Similarly, people are still in flux
about whether electronic mail should be written "email", "e-mail", or if
simply "mail" is sufficient.

For a Japanese example of a word in flux, there is the matter of the reading
of [`雰囲気`](https://japanese.stackexchange.com/a/3293/119). The kanji should,
according to most dictionaries, be read `ふんいき`, but most people I know say
`ふいんき`.

I've never before considered which is the kanji for `かえる` in the context of a
television before, but `替える` or `変える` are both correct enough as far as I can
tell from looking into it a bit. So go with the one you prefer, and be
prepared that you have a 50/50 chance that the one you're using could fall out
of favour in the overall Japanese speaking world. As an interesting side note,
as television slowly loses relevance to consuming entertainment over the
internet, it may never really come to a solid resolution, as it might become
too unimportant to really finalize.

As a native English speaker, I can make a personal insistence on "mike" for
"microphone", and I go with "email" and sometimes just "mail" depending on
context. I don't care how much anyone else claims to know the language, I can
make my case for how I speak and stand by it. As a non-native learner of
Japanese, the reality is that it's much harder to participate in the language
that way. Especially in consideration of a strong cultural thread in Japan
that has many Japanese people believing that the Japanese language can not be
_truly_ understood by non-Japanese. You may very well encounter Japanese
people who will insist that one or the other kanji is the definitively correct
one, and they will not allow for you to be making a choice of your own. There
is also a strong perception among many Japanese that there is little
subjectivity in their language, and their sense of consensus necessarily means
for them that their individual take is _de facto_ objectively correct. Not all
Japanese people, of course, but when dealing with such people, in the course
of their interaction with you, they will not consider the existence of other
native Japanese speakers who might disagree with them. That's just the reality
you have to contend with sometimes. If you want to stand by your choice,
you'll have to back it up with more evidence than you might if you were
speaking your own native language.

So, the bottom line is both `替える` or `変える` are acceptable enough... for the
time being. I personally like `替える`. Which do you prefer?
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I looked in a few dictionaries, but they didn't agree on which kanji to use.

So how can we answer this question? By looking at actual usage. How do we do
this? Well, you can search Google, but unfortunately, [Google result estimates
can be very
unreliable](https://japanese.meta.stackexchange.com/questions/522/google-
counts-may-not-be-as-reliable-as-you-imagine).

Instead, I decided to search the [**_Balanced Corpus of Contemporary Written
Japanese_** (BCCWJ)](http://www.kotonoha.gr.jp/shonagon/). I searched for the
following five strings and wrote down how many results I found for each, then
sorted the results in descending order.

Here's what I found:

```

      チャンネルを変え　３３件
      チャンネルをかえ　　３件
      チャンネルを換え　　２件
      チャンネルを替え　　２件
      チャンネルを代え　　０件
    
```

As you can see, 変 is the most popular kanji in this case.
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