Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
dugan
←
Old English
dugan
(cognate)
←
Proto-West Germanic
*dugan
(inherited)
←
Proto-Indo-European
*dʰewgʰ-
(root)
→
German
taugen
(cognate)
→
Old High German
tugan
(cognate)