Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
granum
←
English
gram
(doublet)
←
Proto-Indo-European
*ǵerh₂-
(root)
←
Latin
grānum
(derived)