fin de siecle vs finished

fin de siecle is a noun but finished is not a noun.

Word	Noun	Adjective	Verb	Adverb
fin de siecle	Yes	Yes	No	No
finished	No	Yes	No	No

fin de siecle (noun)	finished (noun)
the end of a century, especially the 19th century

fin de siecle (adjective)	finished (adjective)
relating to or characteristic of the end of a century (especially the end of the 19th century)	ended or brought to an end
	(of materials or goods) brought to the desired final state
	brought to ruin
	having a surface coating or finish applied
	(of skills or the products of skills) brought to or having the greatest excellence; perfected