Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
adgládathar
←
Ancient Greek
κέχλᾱδα
(cognate)
←
Proto-Indo-European
*ǵʰleh₂d-
(derived)
←
Sanskrit
ह्रादते
(cognate)
←
Old Irish
ad-
(affix)