Launching rhymes with:
branching, bunching, clinching, crunching, drenching, entrenching, flinching, inching, lunching, lynching, munching, pinching, punching, quenching, ranching, retrenching, stanching, unflinching, wrenching
Launching sounds like:
lancing, langhans, languishing, lankans, lansing, lansing's, launchings, lawmaking, leingang, lensing, limousines, linking, longing, longings, lounging, luminescence, luncheons, lunching, lunging, lynching, lynchings