Proto-Germanic *lēkijaz

→ English leech (inherited)

→ Old English læce (inherited)

→ Old Swedish læge (inherited(gmq-osw/da))

→ Old Swedish lækir (inherited)

→ Gothic 𐌻𐌴𐌺𐌴𐌹𐍃 (inherited)

→ Dutch laak (cognate)

→ Norwegian Nynorsk lækjar (derived)

→ Old Norse læknir (inherited)

→ Polish lekarz (cognate)

→ Romanian leac (derived)

→ Russian лечить (cognate)

→ Old Irish líaig (cognate)

→ Swedish läkare (inherited)