Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
dé
←
Proto-Celtic
*dwīyūss
(inherited)
←
Proto-Indo-European
*dʰewh₂-
(derived)
→
Irish
dé
(inherited)
→
Scottish Gaelic
deatach
(mention)
→
Manx
jaagh
(derived)
→
Old Irish
día
(link)
→
Old Irish
día
(link)