Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
regency
←
English
regent
(affix)
←
English
-cy
(affix)
←
English
(suffix)
←
English
-ency
(suffix)
←
Middle English
regencie
(inherited)
←
Middle English
regente
(mention)
←
Proto-Indo-European
*h₃reǵ-
(root)
←
Latin
regēns
(derived)
←
Latin
regō
(mention)
→
English
viceregency
(affix)
→
English
coregency
(compound)