loud vs gimcrack

loud is not a noun while gimcrack is a noun.

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

As adjectives, loud and gimcrack are synonyms defined as:

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

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

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

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