Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
dialog
←
Old French
dialogue
(borrowed)
←
Ancient Greek
διάλογος
(derived)
←
Latin
dialogus
(derived)
→
English
dialogue
(inherited)
→
English
dialog
(inherited)