blank vs unperceptive

blank is a noun but unperceptive is not a noun.

Word	Noun	Adjective	Verb	Adverb
blank	Yes	Yes	Yes	No
unperceptive	No	Yes	No	No

blank (noun)	unperceptive (noun)
a cartridge containing an explosive charge but no bullet
a piece of material ready to be made into something
a blank gap or missing part
a blank character used to separate successive words in writing or printing

blank (adjective)	unperceptive (adjective)
(of a surface) not written or printed on	lacking perception
not charged with a bullet	lacking sensitivity, taste, or judgment
complete and absolute
without comprehension

blank (verb)	unperceptive (verb)
keep the opposing (baseball) team from winning