Proto-West Germanic *knappō

→ English knop (mention)

→ English knape (inherited)

→ Old English cnapa (inherited)

→ Danish næppe (mention)

→ German Knopf (mention)

→ German Knappe (inherited)

→ Middle English knape (inherited)

→ Westrobothnian knapp (mention)

→ Old High German knoto (mention)

→ Old High German knappo (inherited)

→ Hunsrik Knopp (mention)

→ Icelandic hnappur (mention)

→ Luxembourgish Knapp (mention)

→ Mòcheno knòpp (inherited)

→ Dutch knaap (inherited)

→ Elfdalian knapp (mention)

→ Swedish knapp (mention)

→ Swedish knopp (mention)