朽ち葉

くちば

decayed leaves

黄朽葉

きくちば

reddish-yellow (colour); russet

青朽葉

あおくちば

bluish russet

落ち葉色

おちばいろ おちばしょく

russet

朽ち木

くちき

decayed tree, rotted tree, decayed wood, rotten wood

朽ちる

くちる

to rot, to decay

朽ち果てる

くちはてる

to rot away, to crumble to dust, to decay completely, to fall to ruins, to rust away

朽廃

きゅうはい

decay, dilapidation (ruin)

朽壊

きゅうかい

rotting and crumbling

腐朽

ふきゅう

deterioration, rot

不朽

ふきゅう

everlasting, immortal, eternal, immortality, imperishable

若朽

being young yet unambitious; being young but lacking spirit

老朽

ろうきゅう

superannuated, decrepitude

落ち葉

おちば らくよう

fallen leaves, leaf litter

運歩色葉集

うんぽいろはしゅう

Unpoirohashuu (Muromachi-era dictionary)

色落ち

いろおち

colour loss (color)

打ち言葉

うちことば

textspeak; texting language; typed language; abbreviated language and slang commonly used in text messages, email, etc.

老朽化

ろうきゅうか

aging, wearing out, deterioration

落ち葉焚き

おちばたき

burning fallen leaves, autumn leaf burning