Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Thai
อัคนี
←
Sanskrit
अग्नि
(learned borrowing)
←
Thai
อัคคี
(doublet)
→
Thai
หินอัคนี
(compound)