clank vs clangor

clank and clangor both are nouns.

Word	Noun	Adjective	Verb	Adverb
clank	Yes	No	Yes	No
clangor	Yes	No	Yes	No

As nouns, clank and clangor are synonyms defined as:

Other synonyms of clank include clang, clangoring, clangour, clash, crash.

clank (noun)	clangor (noun)
a loud resonant repeating noise	a loud resonant repeating noise

clank (verb)	clangor (verb)
make a clank	make a loud resonant noise
	make a loud noise