Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Sino-Tibetan *g-jak ~ g-jaŋ

→ English yak (derived)
→ Bulgarian як (derived)
→ Tibetan གཡག (inherited)
→ Catalan iac (derived)
→ Czech jak (derived)
→ Spanish yak (derived)
→ Faroese jakkoksi (derived)
→ French yack (mention)
→ Irish geac (derived)
→ Manx yak (derived)
→ Hungarian jak (derived)
→ Ido yako (derived)
→ Italian yak (derived)
→ Lepcha ᰚᰩᰭ (inherited)
→ Lashi yang (inherited)
→ Macedonian јак (derived)
→ Norwegian Bokmål jak (derived)
→ Dutch jak (derived)
→ Polish jak (derived)
→ Romanian iac (derived)
→ Serbo-Croatian jak (derived)
→ Serbo-Croatian јак (derived)
→ Slovak jak (derived)
→ Slovene jak (derived)
→ Swedish jak (derived)
→ Turkish yak (derived)
→ Chinese 羊 (inherited)