Filmmaking rhymes with:
dealmaking, rulemaking, steelmaking, basketmaking, bookmaking, dealmaking, decisionmaking, dressmaking, glassmaking, homemaking, lawmaking, matchmaking, moneymaking, moviemaking, papermaking, peacemaking, policymaking, printmaking, rulemaking, steelmaking
Filmmaking sounds like:
flanigan's, flanking, flinching, flinging, flunking