Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-West Germanic
*wahtwēn
→
West Frisian
wachtsje
(inherited)
→
Old High German
wahten
(inherited)
→
Swedish
vakta
(derived)