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