Matured rhymes with:
cured, endured, inured, obscured, procured, secured, unsecured, allured, assured, boord, cured, endured, ensured, insured, inured, lured, moored, obscured, procured, reassured, reinsured, secured, toured, uninsured, unsecured
Matured sounds like:
madrid, mattered, maturity, meandered, mentored, meteorite, metered, metrodade, mithridate, moderate, moderated, monitored, moothart, motherhood, mutert, muttered