Here's what rhymes with disequilibrium.

Consider these alternatives

externalities / internalities interrelation / relation perturbation / education unreliability / stability interdependencies / tendencies hyperammonemia / anemia bioassays / days conditionality / personality polarity / therapy complementarity / therapy thioether / whether governmentality / personality synchrony / testimony perturbations / relations synchronism / given correlations / relations intuitions / conditions uncleanliness / cleanliness