Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Catalan costa
Catalan Costa d'Ivori (link)
Catalan Costa d'Or (link)
Catalan coster (link)
Catalan costaner (link)
Catalan costejar (link)
Catalan costella (link)
Catalan costal (link)
Catalan costàlgia (link)
Catalan costat (link)
Proto-Indo-European *kost- (derived)
Latin costa (inherited)

Catalan acostar (affix)
Catalan costella (suffix)
Catalan costat (link)
Catalan costaner (affix)
Catalan Acosta (compound)
Spanish costa (borrowed)
Portuguese acostar (affix)