Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
forethink
←
Old English
fōreþenċan
(inherited)
←
German
vordenken
(cognate)
←
English
fore
(prefix)
←
English
think
(prefix)
←
Middle English
forethynken
(inherited)
←
Dutch
voordenken
(cognate)
→
English
forethought
(link)
→
English
forethinker
(suffix)