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 *dʰeyǵʰ-

→ English dairy (root)
→ English lady (root)
→ English figure (root)
→ English figure (derived)
→ English fiction (root)
→ English figment (root)
→ English dough (root)
→ English dough (inherited)
→ English dey (root)
→ English dey (derived)
→ English duff (root)
→ English feign (root)
→ English feint (root)
→ English donut (root)
→ English fictive (root)
→ English unfeigned (root)
→ English dight (mention)
→ English teichoic (root)
→ Old English dag (root)
→ Old English dag (derived)
→ Old English hlæfdige (root)
→ Old English dæge (root)
→ Assamese দেহা (mention)
→ Catalan fingir (derived)
→ Danish dej (root)
→ Danish dej (derived)
→ German Teig (root)
→ German Teig (derived)
→ Greek Αθίγγανος (derived)
→ Middle English lady (root)
→ Esperanto finto (root)
→ Spanish fingir (derived)
→ Spanish heñir (derived)
→ Persian دژ (mention)
→ Persian دیگ (derived)
→ Faroese deiggj (root)
→ Faroese deiggj (derived)
→ Faroese deigur (derived)
→ French lady (root)
→ French feindre (derived)
→ Irish ding (mention)
→ Irish ficsean (root)
→ Irish fíor (root)
→ Irish figiúr (root)
→ Irish parthas (root)
→ Old Danish degh (root)
→ Old High German teig (root)
→ Old High German teig (derived)
→ Gothic 𐌳𐌰𐌹𐌲𐍃 (root)
→ Gothic 𐌳𐌹𐌲𐌰𐌽 (root)
→ Gothic 𐌳𐌹𐌲𐌰𐌽 (derived)
→ Gothic 𐌳𐌹𐌲𐍂𐌴𐌹 (root)
→ Gothic 𐌳𐌹𐌲𐍂𐌴𐌹 (derived)
→ Gothic 𐌲𐌰𐌳𐌹𐌲𐌰𐌽 (root)
→ Gothic 𐌲𐌰𐌳𐌹𐌲𐌹𐍃 (root)
→ Ancient Greek τεῖχος (root)
→ Ancient Greek τεῖχος (derived)
→ Ancient Greek τοῖχος (root)