Old Norse náhvalr

→ English narwhal (derived)

→ German Narwal (derived)

→ Faroese náhvalur (inherited)

→ Manx narwhal (derived)

→ Icelandic náhvalur (inherited)

→ Norwegian Bokmål narhval (derived)

→ Norwegian Nynorsk narkval (derived)

→ Polish narwal (derived)

→ Swedish narval (derived)