gimcrack vs loud

gimcrack is a noun but loud is not a noun.

Word	Noun	Adjective	Verb	Adverb
gimcrack	Yes	Yes	No	No
loud	No	Yes	No	Yes

As adjectives, gimcrack and loud are synonyms defined as:

Other synonyms of gimcrack include brassy, cheap, flash, flashy, garish, gaudy, meretricious, tacky, tatty, tawdry, trashy.

gimcrack (noun)	loud (noun)
ornamental objects of no great value

gimcrack (adjective)	loud (adjective)
tastelessly showy	characterized by or producing sound of great volume or intensity
	(used chiefly as a direction or description in music) indicating that said piece or segment should be played loudly
	tastelessly showy

gimcrack (adverb)	loud (adverb)
	with relatively high volume