Luminaries rhymes with:
preliminaries, seminaries, confectionaries, dictionaries, functionaries, legionaries, mercenaries, missionaries, ordinaries, preliminaries, reactionaries, revolutionaries, seminaries
Luminaries sounds like:
lamar's, lamarca, lamarche, lamers, lammers, lamoreaux, lamoreux, lamoureaux, lamoureux, lanners, lawnmowers, leaners, lemurs, lenarz, lillehamer's, lillehammer's, limerick, limerick's, limericks, linares, linear's, liner's, liners, liners', linhares, loners, lonrho's