Density rhymes with:
intensity, intensity, analyticity, animosity, atrocity, audacity, biodiversity, capacity, complexity, complicity, curiosity, diversity, domesticity, eccentricity, elasticity, electricity, falsity, felicity, ferocity, generosity, incapacity, intensity, laxity, monstrosity, necessity, obesity, opacity, overcapacity, paucity, perplexity, perversity, publicity, religiosity, simplicity, specificity, toxicity, university, velocity, viscosity, voracity
Density sounds like:
damaged, daminozide, danced, danstett, dehumanized, demonized, denounced, densest, dienst, diminished, donizetti, doomsday, downcast, downside, downsized, downstate, dunked, dunst, dynasty