* gg5: 〔お笑い芸人がネタを書き留めたり検討したりするためのノート〕 an idea [a brainstorming] notebook.
* https://ja.hinative.com/questions/15429244
* https://www.rengo-soken.or.jp/column/2021/03/101123.html

ネタ帳 422,161 96.6%
ネタ帖  14,209  3.3%
ねた帳     634  0.1%
ねた帖      74  0.0%

Note, the ref below is daijs.

@@ -5,0 +6,3 @@
+</k_ele>
+<k_ele>
+<keb>ネタ帖</keb>
@@ -12 +15 @@
-<gloss>memo of comic artist to write down the plan and the idea on the work</gloss>
+<gloss>idea notebook (e.g. used by a comedian)</gloss>
@@ -16 +19 @@
-<gloss>notebook placed in the dressing room of a rakugo theater which records performers and rakugo performances of the day</gloss>
+<gloss>notebook recording the day's performances (kept in an entertainment hall's backstage to prevent repeated stories)</gloss>

https://www.weblio.jp/content/ネタ帳