clangour vs clang

clangour and clang both are nouns.

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

As nouns, clangour and clang are synonyms defined as:

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

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

clangour (verb)	clang (verb)
make a loud resonant noise	make a loud noise