Proto-Germanic *flaką

→ English flag (derived)

→ English flake (derived)

→ English Flagg (derived)

→ Danish flage (derived)

→ West Frisian flagge (derived)

→ Ancient Greek πλάξ (cognate)

→ Icelandic flag (derived)

→ Icelandic flaga (inherited)

→ Luxembourgish Flack (derived)

→ Dutch vlag (derived)