assign vs assignable

assign is not an adjective while assignable is an adjective.

Word	Noun	Adjective	Verb	Adverb
assign	No	No	Yes	No
assignable	No	Yes	No	No

assign (adjective)	assignable (adjective)
	legally transferable to the ownership of another

assign (verb)	assignable (verb)
select something or someone for a specific purpose
attribute or credit to
decide as to where something belongs in a scheme
attribute or give
transfer one's right to
give out
make undue claims to having
give an assignment to (a person) to a post, or assign a task to (a person)