1. Of or relating to the philosophical study of causation
   - etiological [N. Amer], etiologic [N. Amer], aetiological [Brit, Cdn] 
2. Relating to the aetiology of a disease
   - etiological [N. Amer], etiologic [N. Amer], aetiological [Brit, Cdn]

See also: aetiology [Brit, Cdn]

• Nehru
• Nei Monggol
• neigh
• neighbor
• neighborhood
• neighboring
• neighborliness
• neighborly
• neighbour
• neighbourhood
• neighbouring
• neighbourliness
• neighbourly
• Neil Armstrong
• Neil Simon
• Neisseria gonorrhoeae
• neither
• Nejd
• nekton
• nelfinavir
• Nell Gwynn
• Nell Gwynne
• Nell Gywn
• Nellie Bly
• Nellie Ross