Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Telugu
చెడు
←
Tamil
[[கெடு]], [[கெடுவ்]], [[கெட்ட்]]
(cognate)
→
Telugu
చెడురక్తము
(affix)
→
Telugu
చెడ్డతనము
(suffix)