Detonating rhymes with:
concatenating, procrastinating, alienating, assassinating, chlorinating, concatenating, contaminating, coordinating, culminating, decaffeinating, discriminating, disseminating, dominating, eliminating, emanating, exterminating, fascinating, hydrogenating, hyphenating, illuminating, impersonating, incriminating, laminating, marinating, nominating, originating, predominating, procrastinating, rejuvenating, resonating, subordinating, terminating, urinating
Detonating sounds like:
daunting, demanding, demotions, denomination's, denominations, denoting, denting, denuding, detentions, detonations, dominating, donating, donations, downtown's, downtowns