競合脱線

きょうごうだっせん

train derailment due to a concurrence of causes

脱線行為

だっせんこうい

aberration, aberrant behavior, eccentric (erratic) behavior, indulging in an escapade

戦線離脱

せんせんりだつ

leaving the front line; retiring from the game; deserting the battle

脱

だつ

de- (indicating reversal, removal, etc.)

脱ぎ脱ぎ

ぬぎぬぎ

undressing

肛門脱（脱肛）

こうもんだつ（だっこう）

prolapse of anus（proctoptosia）

脱却

だっきゃく

ridding oneself, freeing oneself of, growing out of, overcoming, outgrowing

脱兎

だっと

dashing away, bounding away, (with) lightning speed

脱サラ

だつサラ だつさら

setting oneself free from the life of a white-collar worker, quitting a job as a salaryman and launching an independent business

脱灰

だっかい

decalcification, demineralization

脱魂

だっこん

ecstatic trance

脱法

だっぽう だつほう

evasion of the law, circumvention of the law

脱帽

だつぼう

removing one's hat

穎脱

えいだつ

gaining recognition, rising above one's fellows

誤脱

ごだつ

errors and omissions

脱毛

だつもう

loss of hair, hair loss

滑脱

かつだつ

adaptable, flexible, versatile, unfixed

脱藩

だっぱん

becoming a lordless samurai

脱輪

だつりん

wheel flying off its axle