Proto-Germanic *knukô

→ English knuckle (affix)

→ German Knochen (derived)

→ Old High German knohha (inherited)

→ Alemannic German Chnoche (inherited)

→ Icelandic hnúi (inherited)

→ Luxembourgish Knéchel (mention)

→ Luxembourgish Knachen (inherited)

→ Dutch knokkel (mention)

→ Dutch knook (inherited)