Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
knæ
←
Proto-Germanic
*knewą
(derived)
←
Proto-Indo-European
*ǵónu
(derived)
←
Old Norse
kné
(derived)
→
English
knee
(cognate)
→
German
Knie
(cognate)