- 混乱【こんらん】 - disorder, chaos, confusion, mayhem 
- 乱暴【らんぼう】 - violence, assault, rowdiness, wildness, running riot, rough (handling, language, etc.), reckless, careless, coarse, rude, unreasonable (e.g. demand), wild (e.g. argument), rape, sexual assault 
- 反乱【はんらん】 - insurrection, mutiny, rebellion, revolt, uprising 
- 乱れる【みだれる】 - to be disordered, to be disarranged, to be disarrayed, to be disheveled, to be dishevelled, to be discomposed, to be upset, to get confused, to be disturbed, to lapse into chaos (due to war, etc.) 
- 乱す【みだす】 - to throw into disorder, to disarrange, to disturb (order, peace, etc.), to corrupt (public morals), to dishevel (hair) 
- 反乱軍【はんらんぐん】 - rebel army 
- 波乱【はらん】 - disturbance, trouble, commotion, uproar, turmoil, ups and downs (e.g. in life), vicissitudes, small and large waves 
- 乱用【らんよう】 - abuse, misuse, misappropriation, using to excess 
- 動乱【どうらん】 - disturbance, upheaval, unrest, war, riot 
- 乱雑【らんざつ】 - disorder, confusion, clutter, mess, muddle, disarray 
- 取り乱す【とりみだす】 - to be upset, to lose one's composure, to lose self-control, to go to pieces, to be shaken up, to break down, to be flustered, to blow one's cool, to put in disorder, to mess up, to disturb, to scatter about 
- 乱れ【みだれ】 - disorder, disturbance, unrest 
- 乱売【らんばい】 - underselling, panic selling 
- 乱立【らんりつ】 - standing close together in a disorderly way (of buildings, etc.), standing side by side, standing (for election) in (excessively) large numbers, (too many candidates) competing with each other 
- 騒乱【そうらん】 - disturbance, riot, mayhem 
- 乱調【らんちょう】 - confusion 
- 乱発【らんぱつ】 - random firing, reckless firing, excessive issue 
- 内乱【ないらん】 - civil war, insurrection, rebellion, domestic conflict 
- 乱獲【らんかく】 - excessive fishing, overfishing, overhunting, excessive taking 
- 錯乱【さくらん】 - confusion, distraction, derangement