Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Irish pláinéad
Ancient Greek πλανήτης (derived)
Ancient Greek πλάνης (mention)
Latin planēta (borrowed)
Latin planētēs (mention)

Irish rinn (link)
Irish pláinéadach (affix)
Irish ollphláinéad (affix)
Irish mionphláinéad (affix)
Irish prótapláinéad (affix)
Irish fophláinéad (affix)