Brother's rhymes with:
brothers, brothers', brothers, brothers', crothers, druthers, strothers, struthers, another's, brothers, brothers', carruthers, caruthers, crothers, druthers, mother's, mothers, other's, others, others', smothers, southers, strothers, struthers, suthers
Brother's sounds like:
bardrick, birders, boarders, border's, borders, breeders, breeders', broadrick, broder's, broderick, broderick's, brodrick, brothers, brothers', brothers's