Proto-Germanic *knappa-

→ Danish næppe (mention)

→ German Knopf (mention)

→ Westrobothnian knapp (mention)

→ Old High German knoto (mention)

→ Hunsrik Knopp (mention)

→ Icelandic hnappur (mention)

→ Luxembourgish Knapp (mention)

→ Elfdalian knapp (mention)

→ Swedish knapp (mention)