<entry id="2341312" stat="A" corpus="jmdict" type="jmdict">
<ent_corp type="jmdict">jmdict</ent_corp>
<ent_seq>2865839</ent_seq>
<k_ele>
<keb>別音</keb>
</k_ele>
<r_ele>
<reb>べつおん</reb>
</r_ele>
<sense>
<pos>&n;</pos>
<gloss>reading that differs from the expected one (for a given kanji)</gloss>
</sense>
<info>
<audit time="2025-06-01 13:28:54" stat="A" unap="true">
<upd_name>Sombrero1</upd_name>
<upd_detl>I've put (kun) in front since smk explicitly uses the character 訓 to write よみかた, and I'm pretty sure I've seen it only for kun readings so far</upd_detl>
<upd_refs>Google N-gram Corpus Counts
╭─ーー─┬─────┬───────╮
│ 別音 │ 335 │100.0% │Smk
╰─ーー─┴─────┴───────╯
Smk: その漢字に期待される音とは別の訓(ヨ)み方。

Seen this word probably three times now in nikkoku entries, here's where I read it today:

語源説
(1) ...
(2)「吾」の別音Wu にラ行音を添えたもの</upd_refs>
</audit>
<audit time="2025-06-03 09:30:07" stat="A">
<upd_uid>razasyedh</upd_uid>
<upd_name>Syed Raza</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>Best to keep it general.</upd_detl>
<upd_refs>nikk (蓄縮): 「きく」は「蓄」の別音。</upd_refs>
<upd_diff>@@ -12 +12 @@
-&lt;gloss&gt;(kun) reading that differs from the expected one (for a given kanji)&lt;/gloss&gt;
+&lt;gloss&gt;reading that differs from the expected one (for a given kanji)&lt;/gloss&gt;</upd_diff>
</audit>
</info>
</entry>