Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
σάκος
←
Ancient Greek
σάκκος
(doublet)
←
Hittite
(cognate)
←
Proto-Indo-European
*twek-
(inherited)
←
Sanskrit
त्वच्
(cognate)
→
Sanskrit
त्वच्
(cognate)