Tristar rhymes with:
acustar, aerostar, amstar, apstar, canstar, cellstar, constar, crestar, earthstar, eurostar, firstar, flagstar, genstar, globalstar, goldstar, incstar, lodestar, minstar, morningstar, navistar, navstar, norstar, northstar, oberstar, primestar, sunstar, telstar, texstar, torstar, windstar, wordstar
Tristar sounds like:
thruster, torstar, tractor, traister, trajectory, treaster, trester, trickster, troester