Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*h₂eg-
→
English
ache
(derived)
→
Ancient Greek
ἄγος
(mention)
→
Latvian
agrs
(mention)
→
Sanskrit
आगस्
(mention)