Old Norse flyðra

→ English flounder (derived)

→ English flowndre (derived(en/enm))

→ Danish flynder (derived)

→ Icelandic flundra (inherited)

→ Norwegian Bokmål flyndre (derived)

→ Norwegian Nynorsk flyndre (inherited)

→ Norman fliandre (borrowed)

→ Swedish flundra (inherited)