Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
τηρός
←
Proto-Indo-European
*kʷeh₁y-
(derived)
←
Sanskrit
चायति
(cognate)
←
Proto-Slavic
*čajati
(cognate)
→
Ancient Greek
τηρέω
(suffix)