clank vs clash

clank and clash both are nouns.

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

As nouns, clank and clash are synonyms defined as:

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

clank (noun)	clash (noun)
a loud resonant repeating noise	a minor short-term fight
	a loud resonant repeating noise
	a state of conflict between persons
	a state of conflict between colors

clank (verb)	clash (verb)
make a clank	disagree violently
	crash together with violent impact
	be incompatible; be or come into conflict