Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*sīdaz
→
English
side
(inherited)
→
Old English
sid
(inherited)
→
Westrobothnian
sid
(inherited)
→
Icelandic
síður
(inherited)
→
Dutch
zijd
(derived)