Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Thai ระกา
← Khmer រកា (cognate)
← Old Khmer rakā (borrowed)
← Old Khmer rkā (mention)
← Old Khmer rkā° (mention)
← Old Khmer rakāha (mention)

→ Khmer រកា (cognate)
→ Thai ระกาศก (compound)