Similar to WP:PRV
Wikipedia:BURO
Wikipedia:BYC
Wikipedia:BYPASS
Wikipedia:C
Wikipedia:CALM
Wikipedia:CAN
Wikipedia:CANVAS
Wikipedia:CANVASS
Wikipedia:CARMEN
Wikipedia:CAT
CAT:
CAT:AIMAI
CAT:CE
CAT:CES
CAT:CSD
CAT:CSRD
CAT:DAB
CAT:E
CAT:EEP
CAT:ER
CAT:ESP
CAT:FA
CAT:FM
CAT:MP
CAT:NC
CAT:NOINDEX
CAT:NOREFLIST
CAT:RFUB