Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Hindi
महार्णव
←
Hindi
महा
(prefix)
←
Hindi
अर्णव
(prefix)
←
Sanskrit
मह्
(root)
←
Sanskrit
महार्णव
(learned borrowing)