broken-down vs tatterdemalion

broken-down is not a noun while tatterdemalion is a noun.

Word	Noun	Adjective	Verb	Adverb
broken-down	No	Yes	No	No
tatterdemalion	Yes	Yes	No	No

As adjectives, broken-down and tatterdemalion are synonyms defined as:

Other synonyms of broken-down include bedraggled, derelict, dilapidated, ramshackle, tumble-down.

broken-down (noun)	tatterdemalion (noun)
	a dirty shabbily clothed urchin

broken-down (adjective)	tatterdemalion (adjective)
in deplorable condition	worn to shreds; or wearing torn or ragged clothing
not in working order	in deplorable condition