宝 treasure

玉 (ball)
★★★☆☆
8 strokes

Onyomi

HOU

as in, "The HOE always wants to take my treasure."

Mnemonic

Here is how to remember "crown + ball = treasure":

Kunyomi

たから treasure
★★★☆☆

Jukugo

宝くじ(たからくじ)

public lottery ★★★☆☆

宝石(ほうせき)

jewel. ★★☆☆☆
宝 (treasure) + 石 (rock) = 宝石 (jewel.)

国宝(こくほう)

national treasure. ★☆☆☆☆
国 (country) + 宝 (treasure) = 国宝 (national treasure.)