Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English ennea

→ English enneagon (confix)
→ English ennead (confix)
→ English enneagram (confix)
→ English enneahedron (confix)
→ English enneachord (prefix)
→ English enneatonic (prefix)
→ English enneaploid (confix)