Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
puna
←
Esperanto
puni
(suffix)
←
Esperanto
a
(suffix)
←
Proto-Indo-European
*kʷey-
(root)