Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
soberly
←
English
sober
(suffix)
←
English
ly
(suffix)
←
Proto-Indo-European
*h₁egʷʰ-
(root)