朽 ⇒

• 木         Mù/mù, surname Mu, tree/wood/coffin/wooden/simple/numb/one of the eight categories of a...
• 丂         kǎo, "breath" or "sigh" component in Chinese characters

朽 ⇒

朽 ⇒
腐朽         fǔxiǔ, rotten/decayed/decadent/degenerate
不朽         bùxiǔ, immortal/immortality
朽         xiǔ, rotten
永垂不朽         yǒngchuíbùxiǔ, eternal glory/will never be forgotten
朽木         xiǔmù, rotten wood
老朽         
朽烂         xiǔlàn, [朽爛], rotten
摧枯拉朽