Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Alemannic German
Chnopf
←
German
Knopf
(cognate)
←
English
knop
(cognate)
←
Proto-Germanic
*knuppô
(inherited)
←
Middle High German
knopf
(inherited)
←
Westrobothnian
knaapp
(cognate)
←
Old High German
knopf
(inherited)
←
Luxembourgish
Knapp
(cognate)
←
Dutch
knop
(cognate)