Canstar rhymes with:
constar, genstar, minstar, sunstar, acustar, aerostar, amstar, apstar, cellstar, constar, crestar, earthstar, eurostar, firstar, flagstar, genstar, globalstar, goldstar, incstar, lodestar, minstar, morningstar, navistar, navstar, norstar, northstar, oberstar, primestar, sunstar, telstar, texstar, torstar, tristar, windstar, wordstar
Canstar sounds like:
canister, cannister, cannistraro, chemistry, communicator, conjecture, connecter, connector, consider, constar, construe