Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*laþō
→
Old English
laþu
(inherited)
→
Danish
lægte
(derived)
→
Proto-Norse
ᛚᚨᚦᚢ
(mention)