• 財産ざいさん — property / assets
• 財政ざいせい — public finance
• 財団ざいだん — foundation / organization
• 財務ざいむ — financial affairs
• 私財しざい — private fortune
• 資財しざい — resources / wealth

The radical 貝 (shell) is historically tied to value and currency; 才 contributes the sound “ザイ.” Together they signal items or resources of worth—wealth, assets, and finances.