rumor...

1.	a story or statement in general circulation without confirmation or certainty as to facts: a rumor of war.

2.	gossip; hearsay: Don't listen to rumor.

3.	Archaic. a continuous, confused noise; clamor; din.

–verb (used with object)

4.	to circulate, report, or assert by a rumor: It is rumored that the king is dead.

Also, especially British, rumour.