disaffection (n.)

• alienation
• barratry
• breach
• break
• cleavage
• cleft
• dereliction
• disapprobation
• disapproval
• disfavor
• disinclination
• dislike
• disloyalty
• displeasure
• disruption
• distaste
• disunion
• disunity
• divergence
• division
• estrangement
• faithlessness
• falseness
• falsity
• fickleness
• inconstancy
• infidelity
• rift
• rupture
• schism
• separation
• split
• unfaithfulness