• 匿名とくめい — anonymity; to give no name
• 匿名希望とくめいきぼう — “prefers to remain anonymous”
• 匿名性とくめいせい — degree of anonymity; how hidden one’s identity is
• 匿かくまう — to shelter or harbor someone in secret
• 隠匿いんとく — concealment; hiding something (often property or information)
• 秘匿ひとく — keeping something secret; withholding information

On the outside, the radical 匚 draws a box-like enclosure — a space with one side open. Inside sits a person-like form, hinting at someone tucked away out of sight. Together they paint the idea of hiding or sheltering a person in a confined space — the core meaning of 匿.