Subacute rhymes with:
acute, acute, cute, acute, bute, butte, commute, compute, cute, dispute, disrepute, impute, mute, nute, permute, pute, refute, repute
Subacute sounds like:
safest, savaged, savasta, savviest, scapegoat, scapegoated, sebesta, spaced, spacesuit, spaghetti, specht, speight, spiced, spight, spigot, spiked, spooked, sposato, sposito, subject, subjected, subjugate, subjugated, subset, subside, subsided, subsidy, subsist, substitute, substituted, sufficed, suffocate, suffocated, suffused, supposed, suspect, suspected