uppercase vs great

uppercase and great both are nouns.

Word	Noun	Adjective	Verb	Adverb
uppercase	Yes	Yes	No	No
great	Yes	Yes	No	No

uppercase (noun)	great (noun)
one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis	a person who has achieved distinction and honor in some field

uppercase (adjective)	great (adjective)
relating to capital letters which were kept in the top half of a compositor's type case	excellent
	in an advanced stage of pregnancy
	uppercase
	remarkable or out of the ordinary in degree or magnitude or effect
	of major significance or importance
	relatively large in size or number or extent; larger than others of its kind