Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*ád
→
English
adroit
(derived)
→
Esperanto
afero
(derived)
→
Faroese
til
(derived)
→
French
à
(inherited)
→
Westrobothnian
dill
(inherited)
→
Ido
ad
(derived)
→
Icelandic
til
(derived)
→
Norwegian Bokmål
til
(derived)
→
Norwegian Nynorsk
til
(derived)
→
Portuguese
acidente
(derived)
→
Romanian
a
(inherited)
→
Swedish
hit
(derived)
→
Swedish
till
(derived)
→
Swedish
åt
(inherited)