“disorder / chaos” in Japanese is 乱, read ran, mida (らん, みだ). It is a Grade 6 Kyōiku kanji, taught in year 6 of Japanese elementary school, and appears in words such as 混乱 (confusion).
What does 乱 mean?
部屋が乱れている。
Same sound, different character — the classic trap. Compare them side by side: