Proto-West Germanic *kunnan

→ Old English cunnan (inherited)

→ Old English cann (derived)

→ German können (inherited)

→ Middle Dutch connen (inherited)

→ Middle English cunnen (inherited)

→ West Frisian kinne (inherited)

→ Central Franconian könne (inherited)

→ Sathmar Swabian kenne (inherited)

→ Luxembourgish kënnen (inherited)

→ Dutch kunnen (inherited)

→ Old Dutch cunnan (inherited)

→ Old Frisian kunna (inherited)

→ Old Saxon kunnan (inherited)

→ Pennsylvania German kenne (inherited)

→ Scots can (inherited)

→ Tok Pisin ken (inherited)