adaptable vs universal

adaptable is not a noun while universal is a noun.

Word	Noun	Adjective	Verb	Adverb
adaptable	No	Yes	No	No
universal	Yes	Yes	No	No

adaptable (noun)	universal (noun)
	coupling that connects two rotating shafts allowing freedom of movement in all directions
	a behavioral convention or pattern characteristic of all members of a particular culture or of all human beings
	(logic) a proposition that asserts something of all members of a class
	(linguistics) a grammatical rule (or other linguistic feature) that is found in all languages

adaptable (adjective)	universal (adjective)
capable of adapting (of becoming or being made suitable) to a particular situation or use	adapted to various purposes, sizes, forms, operations
	of worldwide scope or applicability
	applicable to or common to all members of a group or set