Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Indo-European *tréyes

→ English three (inherited)
→ English tri (derived)
→ English tern (derived)
→ English contribute (derived)
→ English Trinity (derived)
→ English teapoy (compound)
→ English Trinity term (derived)
→ Avestan 𐬚𐬭𐬌 (derived)
→ Afrikaans drie (inherited)
→ Aragonese tres (inherited)
→ Old English þri (derived)
→ Assamese তিনি (inherited)
→ Asturian tres (inherited)
→ Belarusian тры (derived)
→ Bulgarian три (inherited)
→ Bhojpuri तीन (derived)
→ Bengali তিন (derived)
→ Breton tri (inherited)
→ Breton teir (mention)
→ Catalan tres (inherited)
→ Catalan terç (derived)
→ Central Kurdish سێ (inherited)
→ Corsican trè (inherited)
→ Czech tři (inherited)
→ Czech tři (inherited(cs/hsb))
→ Czech tří- (derived)
→ Old Church Slavonic трьѥ (derived)
→ Welsh tri (inherited)
→ Welsh tair (mention)
→ Danish tre (inherited)
→ German drei (inherited)
→ Lower Sorbian tśi (inherited)
→ Greek τρία (inherited)
→ Greek τρεις (inherited)
→ Middle English thre (inherited)
→ Esperanto tri (derived)
→ Spanish tres (inherited)
→ Persian سه (inherited)
→ Faroese tríggir (inherited)
→ French trois (inherited)
→ Old French troy (inherited)
→ West Frisian trije (inherited)
→ Irish trí (inherited)
→ Scottish Gaelic trì (inherited)
→ Galician tres (inherited)
→ Crimean Gothic tria (inherited)
→ Mycenaean Greek 𐀴𐀪 (inherited)