subscript vs adscript

subscript is a noun but adscript is not a noun.

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

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

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