Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English obligation
Middle English obligacioun (inherited)
Old French obligacion (derived)
Proto-Indo-European *leyǵ- (root)
Proto-Indo-European *leyǵ- (derived)
Latin obligatio (derived)
Latin obligatum (mention)
Latin obligare (mention)
Latin ob- (mention)
Latin ligare (mention)

English right (link)
English obligational (suffix)
English disobligation (prefix)
English debt obligation (mention)
Dutch verloven (link)