Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Tibetan དྲུག
← Proto-Sino-Tibetan *d-k-ruk (inherited(bo/dz))
← Proto-Sino-Tibetan *d-k-ruk (inherited)

→ Atong (India) korok (cognate)
→ Tibetan དྲུག་ཅུ (compound)
→ Tibetan དྲུག་དཀར (compound)
→ Garo dok (cognate)
→ Jingpho kru (cognate)
→ Burmese ခြောက် (cognate)
→ Kokborok dok (cognate)