The term "floatabilities" refers to the ability of a substance to float on top of a liquid. Synonyms for this word may include terms like buoyancy, floatation, levitation, suspension, or even flotation capacity. All of these words describe the same basic concept of an object or substance remaining afloat on top of a liquid due to its light weight or other physical characteristics. Other possible synonyms for "floatabilities" might include larger concepts like stability, balance, or equilibrium, which might also apply to a substance's ability to remain suspended or stable in a fluid. Ultimately, there are many different words that could be used to describe the properties of lightness and buoyancy that allow certain objects to float.