MandyJane (npub18z7…t7v2) FemaleIsNotAFeeling (npub1x7f…j5hy) Viceroyess (npub1wrj…k4qj) Ruth O'Hare (npub1vpv…u7kw) Apologies, but I'm going to go full autism.
Coven is different. It's a singular noun via Old French covent. It's not like coven is the plural of a singular word cof.
English is blessed and cursed with way too many loan words.