Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *h₁ewk-

→ Gothic 𐌱𐌹𐌿𐌷𐍄𐍃 (derived)
→ Lithuanian ūkis (derived)
→ Old East Slavic укъ (root)
→ Old East Slavic укъ (derived)
→ Russian учить (root)
→ Sanskrit उचित (root)
→ Sanskrit उचित (mention)
→ Sanskrit उच्यति (root)
→ Sanskrit उच्यति (mention)
→ Sanskrit ओकस् (root)
→ Sanskrit ओकस् (mention)
→ Old Armenian ամուսին (mention)
→ Old Armenian ուսանիմ (mention)