Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Tibetan སྒོ
← Proto-Sino-Tibetan *m/s-k(w)a-j (inherited)

→ Tibetan སྒོ་ལྕགས (compound)
→ Tibetan སྒེའུ (link)
→ Tibetan ཤེལ་སྒོ (compound)
→ Kurtop ཀོ (cognate)
→ Chinese 戶 (cognate)
→ Chinese 開 (cognate)