Partitions rhymes with:
competition's, competitions, dietitian's, dietitians, mathematicians, opticians, petitions, politician's, politicians, politicians', repetitions, statisticians, superstitions, tacticians, theoreticians
Partitions sounds like:
parading, paradyne's, pardoning, pardons, parting, partitioning, partying, pertaining, pertains, pirating, porting, portions, predominance, preteens, pretense, pretenses, prodding, protein's, proteinaceous, proteins, proton's, protons, prudence, prudency, puritans