a disease. Nyctophobia , Achluophobia, Lygophobia, Scotophobia – fear of darkness. Osmophobia , Olfactophobia – fear of smells. Paraskavedekatriaphobia , Paraskevidekatriaphobia, Friggatriskaidekaphobia – fear of Friday the 13th . Panphobia – fear of everything or constantly afraid without knowing what is causing it. Phasmophobia - fear of ghosts, spectres or phantasms. Phagophobia –