Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dutch
speculeren
←
Middle Dutch
speculeren
(inherited)
←
Old French
speculer
(derived)
←
Latin
speculārī
(derived)
→
Dutch
speculant
(suffix)