-archy /əki, ɑːki $ ərki, ɑːrki/ BrE AmE suffix [in nouns]
[ Language: Old French ; Origin: -archie , from Latin -archia , from Greek , from archein ; ⇨ ↑ arch- ]
used to talk about a particular type of government:
anarchy (=no government)
monarchy (=having a king or queen)