"Sedition" is a word I have not seen for quite a while.(also from Coriolanus)
sedition
n.
5ME sedicion < OFr < L seditio < sed3, apart (see SECEDE) + itio, a going < ire, to go: see YEAR6
1 the stirring up of discontent, resistance, or rebellion against the government in power
2 [Archaic] revolt or rebellion
se[di4tion[ar#y
n., adj.
sedi4tion[ist
n.
SYN.—sedition applies to anything regarded by a government as stirring up resistance or rebellion against it and implies that the evidence is not overt or absolute; treason implies an overt act in violation of the allegiance owed to one‘s state, specif. a levying war against it or giving aid or comfort to its enemies