(n.) The quality of being multiple, manifold, or various; a multitude; as, a multiplicity of thoughts or objects\.

Proteus abundance allotropism allotropy barrel countlessness diversification diversity great deal her infinite variety heterogeneity heteromorphism infinitude innumerability lashings lot manifoldness manyness mass mess much multifariousness multifoldness multiformity multitudinousness nonuniformity numerousness omnifariousness omniformity peck plenty polymorphism power profuseness profusion rifeness shapeshifter sight swarmingness teemingness variation variegation variety variousness