rumormonger vs rumourmonger

rumormonger and rumourmonger both are nouns.

Word	Noun	Adjective	Verb	Adverb
rumormonger	Yes	No	No	No
rumourmonger	Yes	No	No	No

As nouns, rumormonger and rumourmonger are synonyms defined as:

rumormonger and rumourmonger: a person given to gossiping and divulging personal information about others

Other synonyms of rumormonger include gossip, gossiper, gossipmonger, newsmonger.

rumormonger (noun)	rumourmonger (noun)
a person given to gossiping and divulging personal information about others	a person given to gossiping and divulging personal information about others