voidance (n.)

• abolishment
• abolition
• abrogation
• annulment
• cancel
• cancellation
• catharsis
• clearance
• clearing
• countermand
• crap
• defecation
• dejection
• depletion
• diarrhea
• drainage
• dysentery
• egress
• elimination
• emptying
• evacuation
• excretion
• exhaustion
• flux
• invalidation
• movement
• nullification
• purgation
• purge
• recall
• recantation
• removal
• renege
• repeal
• rescission
• retraction
• reversal
• revocation
• revoke
• shit
• shits
• stool
• suspension
• trots
• unloading
• vacation
• venting
• voiding
• waiver
• withdrawal
• write-off