"Floatabilities" is a complex word with a tricky spelling. It is pronounced [floʊ.təˈbɪl.ə.tiz], which means it contains three syllables and ends with the sound "-iz". The word is a noun and refers to the ability of something to float. The spelling can be broken down into "float" (spelled as expected) and "abilities," which is spelled with an "-ities" ending to indicate a plural noun form. Despite its challenging spelling, "floatabilities" is a useful term for discussions of buoyancy and flotation.