Splitting rhymes with:
flitting, slitting, acquitting, admitting, befitting, bitting, committing, emitting, fitting, flitting, gritting, hitting, knitting, omitting, permitting, pitting, quitting, refitting, resubmitting, sitting, slitting, spitting, submitting, transmitting, unremitting, unwitting, whitting, witting
Splitting sounds like:
scaffolding, shipbuilding, shipbuildings, shipholding, spalding, spaulding