Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
optative
←
Middle French
optatif
(derived)
←
Ancient Greek
εὐκτική
(cognate)
←
Latin
optātus
(derived)
←
Latin
optāre
(mention)
→
English
optatively
(suffix)