Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tamil
கந்தகம்
←
Sanskrit
गन्धक
(borrowed)
→
Tamil
செங்கந்தகம்
(compound)
→
Thai
กำมะถัน
(cognate)