clank vs clang

clank and clang both are nouns.

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

As nouns, clank and clang are synonyms defined as:

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

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

clank (verb)	clang (verb)
make a clank	make a loud noise