While disobedience means betraying one's home country and obeying a false master (enemy, insurgents), countering means threatening one's lord's life, and so a scheme of disobedience and a scheme of countering differ in meaning.
叛は国に背いて偽（敵国・反乱者）に従うこと、反は君主の身に危害を及ぼすことなので、謀反と謀叛は意味が異なる。