Plummet rhymes with:
summit, aamodt, animate, approximate, bamut, climate, comet, consummate, delashmutt, dermot, dermott, emmott, estimate, gamut, helmet, helmut, hermit, howmet, inanimate, intimate, jemmott, legitimate, limit, lumet, macdermott, mamet, mcdermitt, mcdermot, mcdermott, mehmet, memmott, microclimate, ozmet, penultimate, permut, proximate, sammut, shawmut, summit, ultimate, vomit, willamette, willmott, wilmot, wilmott, wilmut
Plummet sounds like:
pallante, palmetto, palometa, palomita, pelland, philantha, piland, pilant, planed, planet, planned, plant, plante, planted, playmate, plenet, plenty, pliant, plinth, plummeted, plymouth, poland, polland, pollinate, pollinated, polyamide, pyland, pylant