Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sanskrit
मूर
←
English
moron
(cognate)
←
Ancient Greek
μωρός
(cognate)
←
Proto-Indo-European
*muHrós
(inherited)