Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ido puero
English puerile (borrowed)
Spanish pueril (borrowed)
French puéril (borrowed)
Ido puerala (mention)
Italian puerile (borrowed)
Latin puerīlis (derived)
Latin puer (mention)

Ido puerulo (affix)
Ido puereto (suffix)
Ido puerino (affix)
Ido puerala (affix)
Ido pueratra (affix)