adscript vs subscript

adscript is not a noun while subscript is a noun.

Word	Noun	Adjective	Verb	Adverb
adscript	No	Yes	No	No
subscript	Yes	Yes	No	No

adscript (noun)	subscript (noun)
	a character or symbol set or printed or written beneath or slightly below and to the side of another character

adscript (adjective)	subscript (adjective)
written or printed immediately following another character and aligned with it	written or printed below and to one side of another character
(used of persons) bound to a tract of land; hence their service is transferable from owner to owner