Impregnates rhymes with:
designates, magnates, alienates, alternates, carbonates, concatenates, contaminates, culminates, designates, discriminates, disseminates, dominates, donates, eliminates, exterminates, fascinates, hydrogenates, hyphenates, illuminates, impersonates, magnates, marinates, nominates, originates, pollinates, predominates, procrastinates, rejuvenates, resonates, subordinates, terminates