ALERT + RATIO = RETAL + IATOR = RETALIATOR
METRO + SENSE = REMOT + ENESS = REMOTENESS
NOTED + ROAST = DETON + ATORS = DETONATORS
TIMES + GIANT = ESTIM + ATING = ESTIMATING
UPSET + SOUND = STUPE + NDOUS = STUPENDOUS
Alternatively you could swap the second halves of DETONATORS and ESTIMATING