Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Knéi
←
German
Knie
(cognate)
←
English
knee
(cognate)
←
Proto-Germanic
*knewą
(inherited)
←
Middle High German
knie
(inherited)
←
Proto-West Germanic
*kneu
(inherited)
←
Old High German
kneo
(inherited)
←
Icelandic
hné
(cognate)
←
Dutch
knie
(cognate)