板 plank

木 (tree) + 反 (anti)
★★☆☆☆
8 strokes

Onyomi

BAN

Mnemonic

The tree is against being cut down and made into a fucking plank.
In fact it wants you to sign this petition BANning the practice altogether.
But the petition is made from the paper of an endangered redwood, you say!
. . .
Fuck!!!

Kunyomi

いた a board, blackboard, etc.
★★☆☆☆

Jukugo

看板(かんばん)

store sign ★★★☆☆
看 (observe/guard) + 板 (plank) = 看板 (store sign)

store sign, signboard, billboard

Lookalikes

Meaning Hint Radical
板 plank WOOD 木
仮 provisional PERSON 人
坂 slope EARTH 土

The board is made of WOOD
The PERSON is provisionally good (before xmas).

The EARTH has slopes called hills.