Coolant rhymes with:
esculent, bulent, esculent, ambivalent, assailant, benevolent, bulent, corpulant, divalent, equivalent, esculent, excellent, flatulent, fraudulent, galant, gallant, indolent, inhalant, insolent, jubilant, malevolent, monovalent, nonviolent, opulent, petulant, pilant, prevalent, propellant, purulent, redolent, repellent, salant, sealant, silent, somnolent, stimulant, talent, tallant, tallent, tetravalent, truculent, turbulent, vigilant, violent, virulent, water-repellent, wendlandt
Coolant sounds like:
calamity, calantha, caliendo, calland, calmat, calmed, calumet, celinda, cellnet, chalmette, chlamydia, cilento, claimant, claimed, clammed, claymont, cleaned, cleantha, cleland, clelland, clement, clemente, clementi, clementia, cliantha, client, climate, clint, cloned, colonnade, columned, cullinet, culminate, culminated