叛く[somuku] to run counter to
叛する[hansuru] to be contrary to
叛乱[hanran] insurrection
叛乱軍[hanrangun] rebel army
叛乱者[hanransha] rebel

叛意[hani] spirit of rebellion
叛軍[hangun] rebel army
叛将[hanshou] rebel leader
叛心[hanshin] rebellious spirit
叛臣[hanshin] rebellious retainer

吃逆[shakkuri] hiccough
悪逆[akugyaku] atrocity
悪逆無道[akugyakumudou] treacherous
可逆[kagyaku] reversible
可逆反応[kagyakuhannou] reversible reaction

逆さ[sakasa] reverse
逆に[gyakuni] conversely
逆らう[sakarau] to go against
逆ポーランド式[gyakupoorandoshiki] reverse Polish notation