I1N1V4A1L1I1D2A1T1E1S1
15 points
INVALIDATES is validvalid
INVALIDATE, [v INVALIDATED, INVALIDATES, INVALIDATING] : INVALIDATION [v]
INVALIDATE, to make invalid [v]
INVALIDATE, [v INVALIDATED, INVALIDATES, INVALIDATING] : INVALIDATION [v]
INVALIDATE, to make invalid [v]