Detonator rhymes with:
procrastinator, coordinator, denominator, exterminator, illuminator, originator, procrastinator, terminator, alternator, coordinator, denominator, exterminator, illuminator, originator, procrastinator, terminator
Detonator sounds like:
d'andrea, dandrea, deandrea, demeter, demetre, demetria, demetrio, demetriou, denature, denominator, denture, dewinter, diameter, dimitri, dmitri, domtar, donder, dondero, dundore, dynamometer