Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
πλόος
←
Ancient Greek
πλέω
(mention)
←
Ancient Greek
-ος
(affix)
←
Proto-Indo-European
*plew-
(root)
→
Welsh
llyw
(cognate)