Savviest rhymes with:
cheesiest, costliest, creamiest, depriest, dupriest, greediest, healthiest, hobbyist, holiest, neediest, priciest, shakiest, stormiest
Savviest sounds like:
safest, savaged, savasta, scapegoat, scapegoated, sebesta, spaced, spacesuit, spaghetti, specht, speight, spiced, spight, spigot, spiked, spooked, sposato, sposito, subacute, subject, subjected, subjugate, subjugated, subset, subside, subsided, subsidy, subsist, substitute, substituted, sufficed, suffocate, suffocated, suffused, supposed, suspect, suspected