king-sized vs large

king-sized is not a noun while large is a noun.

Word	Noun	Adjective	Verb	Adverb
king-sized	No	Yes	No	No
large	Yes	Yes	No	Yes

king-sized (noun)	large (noun)
	a garment size for a large person

king-sized (adjective)	large (adjective)
extra large	above average in size or number or quantity or magnitude or extent
	having broad power and range and scope
	conspicuous in position or importance
	generous and understanding and tolerant
	in an advanced stage of pregnancy
	ostentatiously lofty in style
	fairly large or important in effect; influential

king-sized (adverb)	large (adverb)
	with the wind abaft the beam
	at a distance, wide of something (as of a mark)
	in a boastful manner