of darkness. Oikophobia – fear of home surroundings and household appliances. Osmophobia , Olfactophobia – fear of smells. Paraskavedekatriaphobia , Paraskevidekatriaphobia, Friggatriskaidekaphobia – fear of Friday the 13th . Panphobia – fear of everything or constant fear of an unknown cause. Phasmophobia – fear of ghosts, spectres or phantasms. Phagophobia – fear of