Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*wéy-
→
Old English
we
(inherited)
→
West Frisian
wy
(derived)
→
Hunsrik
meer
(inherited)
→
Dutch
wij
(derived)