letup (n.)

• abatement
• abeyance
• abridgment
• alleviation
• arrest
• assuagement
• attenuation
• breach
• break
• breath
• breather
• caesura
• calming
• cease-fire
• cessation
• check
• contraction
• dampening
• deadening
• deceleration
• decrease
• decrement
• deduction
• deflation
• delay
• depreciation
• depression
• detention
• diminution
• downtime
• drag
• drop
• dying
• easing
• extenuation
• fissure
• flagging
• gap
• halt
• hesitation
• hiatus
• holdup
• holiday
• hushing
• interim
• interlude
• intermezzo
• intermission
• intermittence
• interregnum
• interruption
• interval
• lacuna
• lag
• lapse
• layoff
• leniency
• lessening
• letdown
• lightening
• loosening
• lowering
• lull
• miniaturization
• mitigation
• modulation
• mollification
• obstruction
• pacification
• palliation
• pause
• plateau
• recess
• reduction
• relaxation
• relief
• remission
• respite
• rest
• retardation
• setback
• simplicity
• slackening
• slowdown
• slowing
• softening
• spell
• stand-down
• stay
• subtraction
• surcease
• suspension
• tempering
• truce
• vacation
• weakening