mumpsimus /mumpˈsi-məs/

1. A view or opinion stubbornly held, even when shown to be misguided
2. A person holding such a view, or one adhering stubbornly to old ways

• kalis
• kalium
• kaliums
• Kaliyuga
• Kallima
• kallitype
• kallitypes
• kalmia
• kalmias
• Kalmuck
• Kalmyk
• kalong
• kalongs
• kalooki
• kalookie
• kalookies
• kalookis
• kalotype
• kalpa
• kalpak
• kalpaks
• kalpas
• kalpis
• kalpises
• Kalsomine