Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Vietnamese đau
← Muong tau (cognate)
← Thavung ตู (cognate)

→ Vietnamese đau khổ (compound)
→ Vietnamese đau lòng (compound)
→ Vietnamese đau đầu (compound)
→ Vietnamese đớn đau (compound)
→ Vietnamese đau ốm (compound)
→ Vietnamese đau buồn (compound)
→ Vietnamese đau thương (compound)