Culminates rhymes with:
terminates, rejuvenates, terminates, alienates, alternates, carbonates, concatenates, contaminates, designates, discriminates, disseminates, dominates, donates, eliminates, exterminates, fascinates, hydrogenates, hyphenates, illuminates, impersonates, impregnates, magnates, marinates, nominates, originates, pollinates, predominates, procrastinates, rejuvenates, resonates, subordinates, terminates
Culminates sounds like:
calamities, calamitous, calmat's, claimants, claimants', clematis, clemente's, clementes, clements, clementz, client's, clients, clients', climates, climatic, clonts, clontz, coolants