Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
petilus
←
Ancient Greek
πετάννυμι
(cognate)
←
Proto-Indo-European
*peth₂-
(root)
←
Proto-Indo-European
*peth₂-
(derived)
←
Latin
pateō
(cognate)
←
Latin
patulus
(mention)