Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Ido plura
Ido plurala (mention)
Ido pluralo (mention)
Ido plus (doublet)
Latin plūrālis (derived)
Latin plūs (mention)

Ido pluralo (affix)
Ido plurala (affix)