Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ido kavalo
Spanish caballo (borrowed)
French cheval (borrowed)
Italian cavallo (borrowed)
Latin caballus (derived)

Ido kavalkar (mention)
Ido kavalino (affix)
Ido kavalulo (affix)
Ido kavalofero (affix)
Ido kavalyuno (suffix)
Ido kavaleyo (affix)