Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
purpurogallin
←
English
-o-
(affix)
←
English
gall
(affix)
←
English
-in
(affix)
←
Latin
purpura
(derived)