clangour vs clangor

clangour and clangor both are nouns.

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

As nouns, clangour and clangor are synonyms defined as:

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

As verbs, clangour and clangor are synonyms defined as:

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

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