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 *dʰewgʰ-

→ English dow (root)
→ English doughty (root)
→ English doughty (derived)
→ English douth (root)
→ English douth (derived)
→ Afrikaans deug (inherited)
→ Old English duguþ (root)
→ Old English dugan (root)
→ Old English dyhtig (derived)
→ Assamese দুগ্ধ (mention)
→ Belarusian Ціхан (derived)
→ Danish du (root)
→ German taugen (root)
→ German taugen (mention)
→ German Tugend (root)
→ Middle Dutch dogen (root)
→ Greek τύχη (root)
→ Greek τύχη (derived)
→ Faroese duga (root)
→ Faroese duga (derived)
→ Irish dual (derived)
→ Irish duan (inherited)
→ Scottish Gaelic dual (derived)
→ Scottish Gaelic duan (inherited)
→ Proto-Germanic duga (root(gem-pro/non))
→ Old High German tugan (root)
→ Old High German tugan (derived)
→ Gothic 𐌳𐌿𐌲𐌰𐌽 (root)
→ Ancient Greek τυγχάνω (root)
→ Ancient Greek τυγχάνω (mention)
→ Ancient Greek τύχη (root)
→ Ancient Greek τύχη (derived)
→ Ancient Greek δυστυχία (root)
→ Ancient Greek τεῦχος (root)
→ Ancient Greek τεῦχος (derived)
→ Ancient Greek τεύχω (root)
→ Ancient Greek τεύχω (mention)
→ Ancient Greek εὔτυκτος (root)
→ Ancient Greek τιτύσκομαι (root)
→ Ancient Greek τιτύσκομαι (inherited)
→ Ancient Greek περιτυγχάνω (root)
→ Ancient Greek παρατυγχάνω (root)
→ Hindi दूध (root)
→ Icelandic duga (root)
→ Latin Tycho (derived)