Plummets rhymes with:
summit's, animates, approximates, climates, comet's, comets, estimates, helmets, hermits, intimates, limits, mamet's, mcdermott's, microclimates, shawmut's, summit's, willamette's
Plummets sounds like:
palmitic, planet's, planets, plant's, plants, plants', plantz, playmates, plymouth's, poland's, pollinates