Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
pfeit
←
Proto-Germanic
*paidō
(inherited)
←
Proto-West Germanic
*paidu
(inherited)
→
Cimbrian
foat
(inherited)
→
Cimbrian
fòat
(inherited)
→
Icelandic
patt
(derived)
→
Italian
patta
(borrowed)
→
Polish
pat
(derived)