Here's what rhymes with prospectuses.
conspectuses Words that almost rhyme with prospectuses
necklaces apprentices censuses menaces penances necklacings crevices acceptances presences crevasses reckonings genitives leopardesses relatives assemblages negatives sedatives sensitives consensuses preventatives negliges decilitres shellackings representatives executives imperatives comparatives adolescences remembrances questionings contemplatives quintessences millionairesses convalescences