solubility vs solvability

solubility and solvability both are nouns.

Word	Noun	Adjective	Verb	Adverb
solubility	Yes	No	No	No
solvability	Yes	No	No	No

As nouns, solubility and solvability are synonyms defined as:

solubility and solvability: the property (of a problem or difficulty) that makes it possible to solve

solubility (noun)	solvability (noun)
the quality of being soluble and easily dissolved in liquid	the property (of a problem or difficulty) that makes it possible to solve
the property (of a problem or difficulty) that makes it possible to solve
the quantity of a particular substance that can dissolve in a particular solvent (yielding a saturated solution)