Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Thai ตรา
← Khmer ត្រា (cognate)
← Lao ຕາ (cognate)
← Old Khmer ត្រា (borrowed)
← Old Khmer តរា (mention)
← Old Khmer ត្រ (mention)

→ Khmer ត្រា (cognate)
→ Lao ຕາ (derived)
→ Thai ตำรา (cognate)
→ Thai ท้องตรา (compound)
→ Thai สารตรา (compound)
→ Thai ตราสาร (compound)
→ Thai ตราบาป (compound)
→ Thai ตีตรา (compound)