Old Norse slíkr

→ English slick (cognate)

→ Old English swelc (cognate)

→ Danish slig (derived)

→ Faroese slíkur (inherited)

→ Westrobothnian slikkän (inherited)

→ Westrobothnian slekken (inherited)

→ Ancient Greek λίγδος (cognate)

→ Icelandic slíkur (inherited)

→ Norwegian Bokmål slik (derived)

→ Norwegian Nynorsk slik (derived)

→ Elfdalian slaik (derived)

→ Swedish slik (derived)