loftiness vs lofty

loftiness is a noun but lofty is not a noun.

Word	Noun	Adjective	Verb	Adverb
loftiness	Yes	No	No	No
lofty	No	Yes	No	No

loftiness (noun)	lofty (noun)
the quality of being high or lofty
impressiveness in scale or proportion

loftiness (adjective)	lofty (adjective)
	of imposing height; especially standing out above others
	having or displaying great dignity or nobility
	of high moral or intellectual value; elevated in nature or style