Or search: drift, favor, trend, favour, devices, dislike, leaning, disfavor, heterosis, disfavour, favoritism, negativity, partiality, proclivity, propensity
3 Syllables: SUU
centuries, century's, clemency, densities, embassies, emphases, enemies, enemy, enemy's, enmities, tenancy, tendency
4 Syllables: USUU
ascendancy, ascendency, dependencies, dependency, hegemony, inclemency, parentheses, propensities, solemnities
5 Syllables: UUSUU
independency, independently
6 Syllables: UUUSUU
plenipotentiaries

Found 24 words across 4 groupings.