Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Esperanto edro
Ancient Greek ἕδρα (borrowed)
Ido edro (borrowed)

Esperanto trapezoedro (compound)
Esperanto kvaredro (compound)
Esperanto pluredro (compound)
Esperanto kajtoedro (compound)
Esperanto dekedro (compound)
Esperanto naŭedro (compound)
Esperanto triedro (compound)
Esperanto okedro (compound)
Esperanto dekduedro (compound)
Esperanto dudekedro (compound)
Esperanto sesedro (compound)