Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Greek
καθ-
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Greek
καθελκύω
(affix)
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Greek
εγκαθιδρύω
(affix)
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Greek
καθιδρύω
(affix)
→
Greek
κάθιδρος
(affix)
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Greek
καθορίζω
(affix)