Jōyō kanji, Taught in junior high
JLPT level: N1
1891 of 2500 most used kanji in newspapers
Stroke count: 6
Meaning: decay, rot, remain in seclusion
Kunyomi: く.ちる
Onyomi: キュウ
Composition: 木 丂
Radical: 木
Meaning: tree
朽壊 （キュウカイ） rotting and crumbling
朽廃 （キュウハイ） decay, dilapidation (ruin)
若朽 （ジャッキュウ） being young yet unambitious, being young but lacking spirit
腐朽 （フキュウ） deterioration, rot
朽ちる （くちる） to rot, to decay, to die in obscurity, to be forgotten with time