Explaining rhymes with:
complaining, complaining, laning, abstaining, ascertaining, attaining, campaigning, caning, chaining, complaining, constraining, containing, deigning, detaining, disdaining, draining, entertaining, feigning, gaining, haning, laning, maintaining, obtaining, ordaining, overtraining, pertaining, raining, refraining, regaining, reigning, reining, remaining, restraining, retaining, retraining, staining, straining, sustaining, training, waning
Explaining sounds like:
equivalence, equivalency, expelling, explains