Cather's rhymes with:
cathers, cathers, flathers, gathers, lathers, mathers, rather's, slathers, smathers, another's, bathers, bellwethers, birdfeather's, birdfeathers, bothers, brother's, brothers, brothers', carithers, carothers, carrithers, carrothers, carruthers, caruthers, cathers, crothers, dithers, druthers, father's, fathers, feathers, flathers, forefathers, furthers, gathers, get-togethers, gethers, godfather's, godfathers, godmothers, grandfather's, grandfathers, grandmother's, grandmothers, heather's, heathers, lathers, leathers, mathers, mother's, mothers, nethers, other's, others, others', rather's, slathers, smathers, smethers, smithers, smothers, southers, strothers, struthers, suthers, tethers, togethers, weather's, weathers, withers, zithers
Cather's sounds like:
cadres, casters, castro's, castrucci, caterers, caters, catharsis, cathers, catheters, cauterize, cauterizes, cedars, cedras, cedras', cedras's, cedric, chatterjee, cheaters, cheddars, chesters, chitra's, citric, citrosuco, citrus, citrus's, coasters, coauthors, codrescu, codrescu's, costars, costa_rica, custer's, cutters