古
=
十
+
口
:
Mnemonic symbol: at least on German maps, this character actually resembles a cloister.
Oh no! Gitta Giraffe (gu) found that the golden cross (十) broke off of the cloister (古) in the space station's living room (Ø3)! She skewers a mandarin (口) on top of the cloister so that she can skewer the broken off cross back on to fix it.
"speech" or "words" radical in Chinese characters (Kangxi radical 149) / see also 言字旁[yan2 zi4 pang2]
Mnemonic symbol: this character looks like a big "i" (like in information), and I'll represent it by an advertising column. Maud Younger (y) gives a speech (讠) standing on top of an advertising column (讠) in the anthill's kitchen (an2).
Characters with 诂 as component
诂
is not used as a component in another character.