Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
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Catalan
càlcul
(affix)
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Catalan
-ar
(affix)
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Latin
calculo
(borrowed)
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Catalan
calculació
(affix)